/in/foo.cc: In function 'int main()':
/in/foo.cc:9:5: error: expected ';' before 'if'
     if (0 == x%2)
     ^~
/in/foo.cc:13:4: error: 'else' without a previous 'if'
    else
    ^~~~
/in/foo.cc:18:12: error: expected '}' at end of input
    return 0;
            ^