foo.cc: In function 'int main()':
foo.cc:17:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   17 |                 if(s[i]==">="&&c=='Y'||s[i]=="<"&&c=='N')
      |                    ~~~~~~~~~~^~~~~~~~
foo.cc:21:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   21 |                 if(s[i]==">"&&c=='Y'||s[i]=="<="&&c=='N')
      |                    ~~~~~~~~~^~~~~~~~
foo.cc:25:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   25 |                 if(s[i]==">"&&c=='N'||s[i]=="<="&&c=='Y')
      |                    ~~~~~~~~~^~~~~~~~
foo.cc:29:30: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   29 |                 if(s[i]==">="&&c=='N'||s[i]=="<"&&c=='Y')
      |                    ~~~~~~~~~~^~~~~~~~

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