/in/foo.c: In function 'main':
/in/foo.c:5:3: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  a>=-10^10&&a<=10^10;
  ~^~~~~
/in/foo.c:5:14: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  a>=-10^10&&a<=10^10;
             ~^~~~
/in/foo.c:5:2: warning: statement with no effect [-Wunused-value]
  a>=-10^10&&a<=10^10;
  ^
/in/foo.c:6:3: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  b>=-10^10&&b<=10^10;
  ~^~~~~
/in/foo.c:6:14: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
  b>=-10^10&&b<=10^10;
             ~^~~~
/in/foo.c:6:2: warning: statement with no effect [-Wunused-value]
  b>=-10^10&&b<=10^10;
  ^