View Compilation Error

0_0_33265568_14016.cpp: In function 'int main()':
0_0_33265568_14016.cpp:16:25: error: 'I' was not declared in this scope
                 for(i=3;I,=m;i+=3) a[i]=0;
                         ^
0_0_33265568_14016.cpp:16:27: error: expected primary-expression before '=' token
                 for(i=3;I,=m;i+=3) a[i]=0;
                           ^
0_0_33265568_14016.cpp:28:1: error: expected '}' at end of input
 }
 ^