View Compilation Error

0_0_31128016_14118.cpp: In function 'int main()':
0_0_31128016_14118.cpp:12:14: error: 'i' was not declared in this scope
        for(x;i<=y;x++)
              ^
0_0_31128016_14118.cpp:15:30: error: expected ';' before ')' token
           for(int i=2;i<x,i++)
                              ^