/in/foo.cc: In function 'int main()':
/in/foo.cc:7:7: 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:7:18: 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:7:30: 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:7:41: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if (a<10^10 && a>-10^10 && b<10^10 && b>-10^10) {
                                        ~^~~~