var
arr,arr2: array[0..20] of integer;
n,i,i2:Integer;
begin
randomize;
for i:=0 to 20 do begin
arr[i]:=random( 50 );
arr2[i]:=arr[i];
write(arr[i], '; ' );
end;
writeln;
write( 'Input shift count: ' );
readln(n);
n:=n mod 21;
if n<>0 then begin
for i:=0 to 20 do begin
i2:=i+n;
if i2>20 then dec(i2, 21)
else if i2<0 then inc(i2, 21);
arr[i]:=arr2[i2];
write(arr[i], '; ');
end;
writeln;
end else writeln('No shifting');
readln;
end.