View Compilation Error

0_0_8339574_27119.cpp:1:9: #include expects "FILENAME" or <FILENAME>
0_0_8339574_27119.cpp: In function `int main()':
0_0_8339574_27119.cpp:4: error: `__int64' undeclared (first use this function)
0_0_8339574_27119.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8339574_27119.cpp:4: error: expected `;' before "i"
0_0_8339574_27119.cpp:5: error: `a' undeclared (first use this function)
0_0_8339574_27119.cpp:6: error: `i' undeclared (first use this function)
0_0_8339574_27119.cpp:8: error: `n' undeclared (first use this function)
0_0_8339574_27119.cpp:8: error: `scanf' undeclared (first use this function)
0_0_8339574_27119.cpp:8: error: `EOF' undeclared (first use this function)
0_0_8339574_27119.cpp:10: error: `printf' undeclared (first use this function)