/in/foo.cc: In function 'int main()':
/in/foo.cc:11:22: warning: too many arguments for format [-Wformat-extra-args]
   printf("Yes\n", num);
                      ^
/in/foo.cc:13:21: warning: too many arguments for format [-Wformat-extra-args]
   printf("No\n", num);
                     ^