/in/foo.c: In function 'main':
/in/foo.c:7:6: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if(a>=-10^10&&a<=10^10&&b>=-10^10&&b<=10^10)
     ~^~~~~
/in/foo.c:7:17: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if(a>=-10^10&&a<=10^10&&b>=-10^10&&b<=10^10)
                ~^~~~
/in/foo.c:7:27: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if(a>=-10^10&&a<=10^10&&b>=-10^10&&b<=10^10)
                          ~^~~~~
/in/foo.c:7:38: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  if(a>=-10^10&&a<=10^10&&b>=-10^10&&b<=10^10)
                                     ~^~~~