View Compilation Error

134137_0_15890.cpp: In function `int main()':
134137_0_15890.cpp:9: error: `cin' undeclared (first use this function)
134137_0_15890.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
134137_0_15890.cpp:10: error: `getchar' undeclared (first use this function)
134137_0_15890.cpp:16: error: `cout' undeclared (first use this function)
134137_0_15890.cpp:16: error: `endl' undeclared (first use this function)