View Compilation Error

0_0_17361480_24612.cpp:12:32: error: stray '@' in program
             if(i%4==0&&i0!=0||i@0==0)
                                ^
0_0_17361480_24612.cpp: In function 'int main()':
0_0_17361480_24612.cpp:12:24: error: 'i0' was not declared in this scope
             if(i%4==0&&i0!=0||i@0==0)
                        ^
0_0_17361480_24612.cpp:12:33: error: expected ')' before numeric constant
             if(i%4==0&&i0!=0||i@0==0)
                                 ^