foo.c: In function 'main':
foo.c:7:13: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
    7 |         if(0<=a&a<=32767&0<=b&b<=32767){
      |            ~^~~
foo.c:7:27: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
    7 |         if(0<=a&a<=32767&0<=b&b<=32767){
      |                          ~^~~
foo.c:7:32: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
    7 |         if(0<=a&a<=32767&0<=b&b<=32767){
      |                               ~^~~~~~~

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