/in/foo.cc: In function 'int main()':
/in/foo.cc:15:35: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (y % 4 != 0 || y % 400 != 0 && y % 100 == 0) {
                                   ^
/in/foo.cc:28:35: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if (y % 4 != 0 || y % 400 != 0 && y % 100 == 0) {
                                   ^