0_0_8123475_26441.cpp: In function `int main()': 0_0_8123475_26441.cpp:11: error: `cin' is not a member of `std' 0_0_8123475_26441.cpp:17: error: `cout' is not a member of `std' 0_0_8123475_26441.cpp:17: error: `endl' is not a member of `std'