Main.cc:5:5: error: expected primary-expression before 'int' int a, b; ^ Main.cc:5:5: error: expected '}' before 'int' Main.cc:5:5: error: expected ',' or ';' before 'int' Main.cc:6:5: error: 'cin' does not name a type cin >> a >> b; ^ Main.cc:7:5: error: 'cout' does not name a type cout << a + b << endl; ^ Main.cc:10:5: error: expected unqualified-id before 'return' return 0; ^ Main.cc:21:1: error: expected declaration before '}' token } ^