View Compilation Error

0_0_20791493_27245.cpp:4:9: error: stray '@' in program
  if(year@0==0||year%4==0&&year0!=0)
         ^
0_0_20791493_27245.cpp: In function 'int fn(int)':
0_0_20791493_27245.cpp:4:10: error: expected ')' before numeric constant
  if(year@0==0||year%4==0&&year0!=0)
          ^