View Compilation Error

0_0_23693010_11447.cpp:4:2: error: stray '\243' in program
  int n, m，i;
  ^
0_0_23693010_11447.cpp:4:2: error: stray '\254' in program
0_0_23693010_11447.cpp: In function 'int main()':
0_0_23693010_11447.cpp:4:12: error: expected initializer before 'i'
  int n, m，i;
            ^
0_0_23693010_11447.cpp:11:8: error: 'i' was not declared in this scope
   for (i = 4; i <= n; i++)
        ^