View Compilation Error

0_0_13448785_30121.cpp:34:12: error: stray '@' in program
     if(year@0==0)
            ^
0_0_13448785_30121.cpp: In function 'int main(int, char**)':
0_0_13448785_30121.cpp:32:7: error: 'year0' was not declared in this scope
    if(year0==0)
       ^
0_0_13448785_30121.cpp:34:13: error: expected ')' before numeric constant
     if(year@0==0)
             ^