foo.cpp:1:1: error: 'include' does not name a type
foo.cpp: In function 'int main()':
foo.cpp:8:3: error: 'cin' was not declared in this scope
foo.cpp:14:1: error: 'cout' was not declared in this scope
foo.cpp:14:12: error: 'endl' was not declared in this scope
foo.cpp:5:5: warning: unused variable 'week' [-Wunused-variable]