foo.cc: In function 'int main()':
foo.cc:10:29: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   10 |   if((i%2!=0&&i%3!=0&&i%5!=0&&i%7!=0||i==7||i==3||i==2||i==5)&&(j%2!=0&&j%3!=0&&j%5!=0&&j%7!=0||j==7||j==3||j==2||j==5))
      |       ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
foo.cc:10:87: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   10 |   if((i%2!=0&&i%3!=0&&i%5!=0&&i%7!=0||i==7||i==3||i==2||i==5)&&(j%2!=0&&j%3!=0&&j%5!=0&&j%7!=0||j==7||j==3||j==2||j==5))
      |                                                                 ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~

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