/in/foo.cc: In function 'int main()':
/in/foo.cc:6:7: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if (a<10^10&&a>-10^10&&b<10^10&&b>-10^10) {
      ~^~~
/in/foo.cc:6:16: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if (a<10^10&&a>-10^10&&b<10^10&&b>-10^10) {
               ~^~~~
/in/foo.cc:6:26: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if (a<10^10&&a>-10^10&&b<10^10&&b>-10^10) {
                         ~^~~
/in/foo.cc:6:35: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if (a<10^10&&a>-10^10&&b<10^10&&b>-10^10) {
                                  ~^~~~
/in/foo.cc:14:7: warning: statement is a reference, not call, to function 'exit' [-Waddress]
   exit;
       ^
/in/foo.cc:14:7: warning: statement has no effect [-Wunused-value]