foo.cc: In function 'int main()':
foo.cc:13:26: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   13 |                 if(i%4==0&&i%100!=0||i%400==0)
      |                    ~~~~~~^~~~~~~~~~
foo.cc:19:40: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   19 |                         if(i==2&&a%4==0&&a%100!=0||i==2&&a%400==0)
      |                            ~~~~~~~~~~~~^~~~~~~~~~
foo.cc:25:40: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   25 |                         if(i==2&&x%4==0&&x%100!=0||i==2&&x%400==0)
      |                            ~~~~~~~~~~~~^~~~~~~~~~
foo.cc:45:40: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   45 |                         if(i==2&&a%4==0&&a%100!=0||i==2&&a%400==0)
      |                            ~~~~~~~~~~~~^~~~~~~~~~
foo.cc:53:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   53 |                                 if(i==2&&a%4==0&&a%100!=0||i==2&&a%400==0)
      |                                    ~~~~~~~~~~~~^~~~~~~~~~
foo.cc:59:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   59 |                                 if(b==2&&a%4==0&&a%100!=0||b==2&&a%400==0)
      |                                    ~~~~~~~~~~~~^~~~~~~~~~
foo.cc:63:56: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   63 |                                         if(y==2&&x%4==0&&x%100!=0||y==2&&x%400==0)
      |                                            ~~~~~~~~~~~~^~~~~~~~~~

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