/in/foo.c: In function 'main':
/in/foo.c:15:11: error: expected expression before '<' token
   for(j=0;<3;j++)
           ^
/in/foo.c:22:14: warning: left-hand operand of comma expression has no effect [-Wunused-value]
   for(j=0;j<2,j++)
              ^
/in/foo.c:22:18: error: expected ';' before ')' token
   for(j=0;j<2,j++)
                  ^