View Compilation Error

0_0_37523851_6088.cpp:5:4: error: expected primary-expression before 'int'
    int a,b;
    ^
0_0_37523851_6088.cpp:5:4: error: expected '}' before 'int'
0_0_37523851_6088.cpp:5:4: error: expected ',' or ';' before 'int'
0_0_37523851_6088.cpp:6:4: error: expected unqualified-id before 'while'
    while (cin >> a >> b) cout << a + b << endl;
    ^
0_0_37523851_6088.cpp:7:4: error: expected unqualified-id before 'return'
    return 0;
    ^
0_0_37523851_6088.cpp:8:1: error: expected declaration before '}' token
 }
 ^