View Compilation Error

0_0_10366260_6562.cpp: In function `int main(int, char**)':
0_0_10366260_6562.cpp:3: error: `__int64' undeclared (first use this function)
0_0_10366260_6562.cpp:3: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10366260_6562.cpp:3: error: expected `;' before "a"
0_0_10366260_6562.cpp:4: error: `EOF' undeclared (first use this function)
0_0_10366260_6562.cpp:4: error: `a' undeclared (first use this function)
0_0_10366260_6562.cpp:4: error: `b' undeclared (first use this function)
0_0_10366260_6562.cpp:4: error: `scanf' undeclared (first use this function)
0_0_10366260_6562.cpp:6: error: integer constant is too large for "long" type
0_0_10366260_6562.cpp:7: error: `printf' undeclared (first use this function)