View Compilation Error

0_0_12695570_22313.cpp:1:10: #include expects "FILENAME" or <FILENAME>
0_0_12695570_22313.cpp: In function `int main()':
0_0_12695570_22313.cpp:4: error: `__int64' undeclared (first use this function)
0_0_12695570_22313.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12695570_22313.cpp:4: error: expected `;' before "a"
0_0_12695570_22313.cpp:6: error: `a' undeclared (first use this function)
0_0_12695570_22313.cpp:10: error: `scanf' undeclared (first use this function)
0_0_12695570_22313.cpp:15: error: `printf' undeclared (first use this function)
0_0_12695570_22313.cpp:18: error: return-statement with no value, in function returning 'int'