View Compilation Error

0_0_4273389_833.cpp:3: error: expected nested-name-specifier before "main"
0_0_4273389_833.cpp:3: error: `main' has not been declared
0_0_4273389_833.cpp:3: error: expected `;' before '(' token
0_0_4273389_833.cpp:3: error: expected unqualified-id before ')' token
0_0_4273389_833.cpp:4: error: expected `,' or `;' before '{' token