View Compilation Error

0_0_11530760_10741.cpp: In function `int main()':
0_0_11530760_10741.cpp:5: error: expected primary-expression before "long"
0_0_11530760_10741.cpp:5: error: expected `;' before "long"
0_0_11530760_10741.cpp:7: error: `ans' undeclared (first use this function)
0_0_11530760_10741.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)