View Compilation Error

0_0_1348155_18340.cpp:1:21: iostresm.h: No such file or directory
0_0_1348155_18340.cpp:3: error: `main' must return `int'
0_0_1348155_18340.cpp: In function `int main(...)':
0_0_1348155_18340.cpp:5: error: `input' undeclared (first use this function)
0_0_1348155_18340.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1348155_18340.cpp:6: error: `output' undeclared (first use this function)