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Input 763

763↵

Output 763

763↵

Sample

Input 764

764↵

Output 764

764↵

Sample

Input 765

765↵

Output 765

765↵

Sample

Input 766

766↵

Output 766

766↵

Sample

Input 767

767↵

Output 767

767↵

Sample

Input 768

768↵

Output 768

768↵

Sample

Input 769

769↵

Output 769

769↵

Sample

Input 770

770↵

Output 770

770↵

Sample

Input 771

771↵

Output 771

771↵

Sample

Input 772

772↵

Output 772

772↵

Sample

Input 773

773↵

Output 773

773↵

Sample

Input 774

774↵

Output 774

774↵

Sample

Input 775

775↵

Output 775

775↵

Sample

Input 776

776↵

Output 776

776↵

Sample

Input 777

777↵

Output 777

777↵

Sample

Input 778

778↵

Output 778

778↵

Sample

Input 779

779↵

Output 779

779↵

Sample

Input 780

780↵

Output 780

780↵

Sample

Input 781

781↵

Output 781

781↵

Sample

Input 782

782↵

Output 782

782↵

Sample

Input 783

783↵

Output 783

783↵

Sample

Input 784

784↵

Output 784

784↵

Sample

Input 785

785↵

Output 785

785↵

Sample

Input 786

786↵

Output 786

786↵

Sample

Input 787

787↵

Output 787

787↵

Sample

Input 788

788↵

Output 788

788↵

Sample

Input 789

789↵

Output 789

789↵

Sample

Input 790

790↵

Output 790

790↵

Sample

Input 791

791↵

Output 791

791↵

Sample

Input 792

792↵

Output 792

792↵

Sample

Input 793

793↵

Output 793

793↵

Sample

Input 794

794↵

Output 794

794↵

Sample

Input 795

795↵

Output 795

795↵

Sample

Input 796

796↵

Output 796

796↵

Sample

Input 797

797↵

Output 797

797↵

Sample

Input 798

798↵

Output 798

798↵

Sample

Input 799

799↵

Output 799

799↵

Sample

Input 800

800↵

Output 800

800↵

Sample

Input 801

801↵

Output 801

801↵

Sample

Input 802

802↵

Output 802

802↵

Sample

Input 803

803↵

Output 803

803↵

Sample

Input 804

804↵

Output 804

804↵

Sample

Input 805

805↵

Output 805

805↵

Sample

Input 806

806↵

Output 806

806↵

Sample

Input 807

807↵

Output 807

807↵

Sample

Input 808

808↵

Output 808

808↵

Sample

Input 809

809↵

Output 809

809↵

Sample

Input 810

810↵

Output 810

810↵

Sample

Input 811

811↵

Output 811

811↵

Sample

Input 812

812↵

Output 812

812↵

Sample

Input 813

813↵

Output 813

813↵

Sample

Input 814

814↵

Output 814

814↵

Sample

Input 815

815↵

Output 815

815↵

Sample

Input 816

816↵

Output 816

816↵

Sample

Input 817

817↵

Output 817

817↵

Sample

Input 818

818↵

Output 818

818↵

Sample

Input 819

819↵

Output 819

819↵

Sample

Input 820

820↵

Output 820

820↵

Sample

Input 821

821↵

Output 821

821↵

Sample

Input 822

822↵

Output 822

822↵

Sample

Input 823

823↵

Output 823

823↵

Sample

Input 824

824↵

Output 824

824↵

Sample

Input 825

825↵

Output 825

825↵

Sample

Input 826

826↵

Output 826

826↵

Sample

Input 827

827↵

Output 827

827↵

Sample

Input 828

828↵

Output 828

828↵

Sample

Input 829

829↵

Output 829

829↵

Sample

Input 830

830↵

Output 830

830↵

Sample

Input 831

831↵

Output 831

831↵

Sample

Input 832

832↵

Output 832

832↵

Sample

Input 833

833↵

Output 833

833↵

Sample

Input 834

834↵

Output 834

834↵

Sample

Input 835

835↵

Output 835

835↵

Sample

Input 836

836↵

Output 836

836↵

Sample

Input 837

837↵

Output 837

837↵

Sample

Input 838

838↵

Output 838

838↵

Sample

Input 839

839↵

Output 839

839↵

Sample

Input 840

840↵

Output 840

840↵

Sample

Input 841

841↵

Output 841

841↵

Sample

Input 842

842↵

Output 842

842↵

Sample

Input 843

843↵

Output 843

843↵

Sample

Input 844

844↵

Output 844

844↵

Sample

Input 845

845↵

Output 845

845↵

Sample

Input 846

846↵

Output 846

846↵

Sample

Input 847

847↵

Output 847

847↵

Sample

Input 848

848↵

Output 848

848↵

Sample

Input 849

849↵

Output 849

849↵

Sample

Input 850

850↵

Output 850

850↵

Sample

Input 851

851↵

Output 851

851↵

Sample

Input 852

852↵

Output 852

852↵

Sample

Input 853

853↵

Output 853

853↵

Sample

Input 854

854↵

Output 854

854↵

Sample

Input 855

855↵

Output 855

855↵

Sample

Input 856

856↵

Output 856

856↵

Sample

Input 857

857↵

Output 857

857↵

Sample

Input 858

858↵

Output 858

858↵

Sample

Input 859

859↵

Output 859

859↵

Sample

Input 860

860↵

Output 860

860↵

Sample

Input 861

861↵

Output 861

861↵

Sample

Input 862

862↵

Output 862

862↵

Sample

Input 863

863↵

Output 863

863↵

Sample

Input 864

864↵

Output 864

864↵

Sample

Input 865

865↵

Output 865

865↵

Sample

Input 866

866↵

Output 866

866↵

Sample

Input 867

867↵

Output 867

867↵

Sample

Input 868

868↵

Output 868

868↵

Sample

Input 869

869↵

Output 869

869↵

Sample

Input 870

870↵

Output 870

870↵

Sample

Input 871

871↵

Output 871

871↵

Sample

Input 872

872↵

Output 872

872↵

Sample

Input 873

873↵

Output 873

873↵

Sample

Input 874

874↵

Output 874

874↵

Sample

Input 875

875↵

Output 875

875↵

Sample

Input 876

876↵

Output 876

876↵

Sample

Input 877

877↵

Output 877

877↵

Sample

Input 878

878↵

Output 878

878↵

Sample

Input 879

879↵

Output 879

879↵

Sample

Input 880

880↵

Output 880

880↵

Sample

Input 881

881↵

Output 881

881↵

Sample

Input 882

882↵

Output 882

882↵

Sample

Input 883

883↵

Output 883

883↵

Sample

Input 884

884↵

Output 884

884↵

Sample

Input 885

885↵

Output 885

885↵

Sample

Input 886

886↵

Output 886

886↵

Sample

Input 887

887↵

Output 887

887↵

Sample

Input 888

888↵

Output 888

888↵

Sample

Input 889

889↵

Output 889

889↵

Sample

Input 890

890↵

Output 890

890↵

Sample

Input 891

891↵

Output 891

891↵

Sample

Input 892

892↵

Output 892

892↵

Sample

Input 893

893↵

Output 893

893↵

Sample

Input 894

894↵

Output 894

894↵

Sample

Input 895

895↵

Output 895

895↵

Sample

Input 896

896↵

Output 896

896↵

Sample

Input 897

897↵

Output 897

897↵

Sample

Input 898

898↵

Output 898

898↵

Sample

Input 899

899↵

Output 899

899↵

Sample

Input 900

900↵

Output 900

900↵

Sample

Input 901

901↵

Output 901

901↵

Sample

Input 902

902↵

Output 902

902↵

Sample

Input 903

903↵

Output 903

903↵

Sample

Input 904

904↵

Output 904

904↵

Sample

Input 905

905↵

Output 905

905↵

Sample

Input 906

906↵

Output 906

906↵

Sample

Input 907

907↵

Output 907

907↵

Sample

Input 908

908↵

Output 908

908↵

Sample

Input 909

909↵

Output 909

909↵

Sample

Input 910

910↵

Output 910

910↵

Sample

Input 911

911↵

Output 911

911↵

Sample

Input 912

912↵

Output 912

912↵

Sample

Input 913

913↵

Output 913

913↵

Sample

Input 914

914↵

Output 914

914↵

Sample

Input 915

915↵

Output 915

915↵

Sample

Input 916

916↵

Output 916

916↵

Sample

Input 917

917↵

Output 917

917↵

Sample

Input 918

918↵

Output 918

918↵

Sample

Input 919

919↵

Output 919

919↵

Sample

Input 920

920↵

Output 920

920↵

Sample

Input 921

921↵

Output 921

921↵

Sample

Input 922

922↵

Output 922

922↵

Sample

Input 923

923↵

Output 923

923↵

Sample

Input 924

924↵

Output 924

924↵

Sample

Input 925

925↵

Output 925

925↵

Sample

Input 926

926↵

Output 926

926↵

Sample

Input 927

927↵

Output 927

927↵

Sample

Input 928

928↵

Output 928

928↵

Sample

Input 929

929↵

Output 929

929↵

Sample

Input 930

930↵

Output 930

930↵

Sample

Input 931

931↵

Output 931

931↵

Sample

Input 932

932↵

Output 932

932↵

Sample

Input 933

933↵

Output 933

933↵

Sample

Input 934

934↵

Output 934

934↵

Sample

Input 935

935↵

Output 935

935↵

Sample

Input 936

936↵

Output 936

936↵

Sample

Input 937

937↵

Output 937

937↵

Sample

Input 938

938↵

Output 938

938↵

Sample

Input 939

939↵

Output 939

939↵

Sample

Input 940

940↵

Output 940

940↵

Sample

Input 941

941↵

Output 941

941↵

Sample

Input 942

942↵

Output 942

942↵

Sample

Input 943

943↵

Output 943

943↵

Sample

Input 944

944↵

Output 944

944↵

Sample

Input 945

945↵

Output 945

945↵

Sample

Input 946

946↵

Output 946

946↵

Sample

Input 947

947↵

Output 947

947↵

Sample

Input 948

948↵

Output 948

948↵

Sample

Input 949

949↵

Output 949

949↵

Sample

Input 950

950↵

Output 950

950↵

Sample

Input 951

951↵

Output 951

951↵

Sample

Input 952

952↵

Output 952

952↵

Sample

Input 953

953↵

Output 953

953↵

Sample

Input 954

954↵

Output 954

954↵

Sample

Input 955

955↵

Output 955

955↵

Sample

Input 956

956↵

Output 956

956↵

Sample

Input 957

957↵

Output 957

957↵

Sample

Input 958

958↵

Output 958

958↵

Sample

Input 959

959↵

Output 959

959↵

Sample

Input 960

960↵

Output 960

960↵

Sample

Input 961

961↵

Output 961

961↵

Sample

Input 962

962↵

Output 962

962↵

Sample

Input 963

963↵

Output 963

963↵

Sample

Input 964

964↵

Output 964

964↵

Sample

Input 965

965↵

Output 965

965↵

Sample

Input 966

966↵

Output 966

966↵

Sample

Input 967

967↵

Output 967

967↵

Sample

Input 968

968↵

Output 968

968↵

Sample

Input 969

969↵

Output 969

969↵

Sample

Input 970

970↵

Output 970

970↵

Sample

Input 971

971↵

Output 971

971↵

Sample

Input 972

972↵

Output 972

972↵

Sample

Input 973

973↵

Output 973

973↵

Sample

Input 974

974↵

Output 974

974↵

Sample

Input 975

975↵

Output 975

975↵

Sample

Input 976

976↵

Output 976

976↵

Sample

Input 977

977↵

Output 977

977↵

Sample

Input 978

978↵

Output 978

978↵

Sample

Input 979

979↵

Output 979

979↵

Sample

Input 980

980↵

Output 980

980↵

Sample

Input 981

981↵

Output 981

981↵

Sample

Input 982

982↵

Output 982

982↵

Sample

Input 983

983↵

Output 983

983↵

Sample

Input 984

984↵

Output 984

984↵

Sample

Input 985

985↵

Output 985

985↵

Sample

Input 986

986↵

Output 986

986↵

Sample

Input 987

987↵

Output 987

987↵

Sample

Input 988

988↵

Output 988

988↵

Sample

Input 989

989↵

Output 989

989↵

Sample

Input 990

990↵

Output 990

990↵

Sample

Input 991

991↵

Output 991

991↵

Sample

Input 992

992↵

Output 992

992↵

Sample

Input 993

993↵

Output 993

993↵

Sample

Input 994

994↵

Output 994

994↵

Sample

Input 995

995↵

Output 995

995↵

Sample

Input 996

996↵

Output 996

996↵

Sample

Input 997

997↵

Output 997

997↵

Sample

Input 998

998↵

Output 998

998↵

Sample

Input 999

999↵

Output 999

999↵

Sample

Input 1000

1000↵

Output 1000

1000↵

Time Limit

Memory Limit

Source

2000 ms

512 MB