Code:

PROGRAM BICIKLISTI;

VAR
        POZ     :array[1..10000] of integer;
        TAK     :array[1..10000] of integer;
        BRT     :integer;
        BRP     :longint;
        SWAP,P,i:integer;

        PROCEDURE MAIN;

        VAR
                fi      :text;
                fo      :text;
                PROCEDURE SETUP;
                BEGIN
                  for i:=1 to BRT do begin
                  POZ[i]:=i;
                  TAK[i]:=i;
                end;
                END;
        BEGIN
                assign(fi,'biciklisti.dat');
                reset(fi);
                read(fi,BRT);
                readln(fi,BRP);
                SETUP;
                for i:=1 to BRP do begin
                        readln(fi,P);
                        SWAP:=TAK[POZ[P]-1];
                        TAK[POZ[P]-1]:=P;
                        TAK[POZ[P]]:=SWAP;
                        dec(POZ[P]);
                        inc(POZ[POZ[P]]);
                end;
                close(fi);
                assign(fo,'biciklisti.res');
                rewrite(fo);
                for i:=1 to BRP+1 do writeln(fo,TAK[i]);
                close(fo);

        END;
BEGIN
MAIN;
END.