foo.cc: In function 'int main()':
foo.cc:25:13: error: expected '}' before 'else'
             else if (z == max) {
             ^~~~
foo.cc: At global scope:
foo.cc:35:5: error: 'cout' does not name a type
     cout << x  << ' ' << y ;
     ^~~~
foo.cc:36:5: error: expected unqualified-id before 'return'
     return 0;
     ^~~~~~
foo.cc:37:1: error: expected declaration before '}' token
 }
 ^

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