foo.cpp:1:1: error: 'include' does not name a type
foo.cpp:10:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
foo.cpp: In function 'int main()':
foo.cpp:13:1: error: 'cin' was not declared in this scope
foo.cpp:28:1: error: 'cout' was not declared in this scope
foo.cpp:30:1: error: 'cout' was not declared in this scope