foo.cpp: In function 'int main()':
foo.cpp:18:36: warning: statement has no effect [-Wunused-value]
foo.cpp:27:5: error: expected primary-expression before '}' token
foo.cpp:27:5: error: expected ';' before '}' token
foo.cpp:29:35: warning: format '%d' expects a matching 'int' argument [-Wformat]
foo.cpp:29:35: warning: format '%d' expects a matching 'int' argument [-Wformat]
foo.cpp:32:13: error: expected '}' at end of input