View Compilation Error

0_0_3150721_22832.cpp:1: error: expected unqualified-id before "while"
0_0_3150721_22832.cpp:1: error: expected `,' or `;' before "while"
0_0_3150721_22832.cpp:5: error: integer constant is too large for "long" type
0_0_3150721_22832.cpp:17: error: expected unqualified-id before "return"
0_0_3150721_22832.cpp:17: error: expected `,' or `;' before "return"
0_0_3150721_22832.cpp:18: error: expected declaration before '}' token