Contoh Looping pada Program Pascal 3 variabel

Contoh Looping pada Program Pascal Tiga Variabel
uses crt;
var a,b,c : integer;
begin
clrscr;
for a:= 1 to 5 do
  begin
  for b:= 1 to 5 do
  begin
  if(a mod 2)=1 then
  if(b mod 2)=1 then
  write(b,'  ');
  if(a mod 2)=0 then
  if (b mod 2)=0 then
  write('  ',b);
  end;
  writeln;
  end;
  readln;
  end.

Outputnya adalah:

1  3  5
  2  4
1  3  5
  2  4
1  3  5