/in/foo.cc: In function 'bool check(int, int)':
/in/foo.cc:40:16: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
         if((x&1==1)&&(y&1==1))
               ~^~~
/in/foo.cc:40:26: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
         if((x&1==1)&&(y&1==1))
                         ~^~~