foo.cc: In function 'int main()':
foo.cc:12:36: error: expected primary-expression before ':' token
   12 |                 cout<<"Game #"<<i<<:<<x<<"/"<<y<<endl;
      |                                    ^
foo.cc:14:2: error: expected '}' at end of input
   14 | }
      |  ^
foo.cc:6:1: note: to match this '{'
    6 | {
      | ^