View Compilation Error

0_0_17631182_2257.cpp:4:2: error: stray '\243' in program
  int N，M;
  ^
0_0_17631182_2257.cpp:4:2: error: stray '\254' in program
0_0_17631182_2257.cpp: In function 'int main()':
0_0_17631182_2257.cpp:4:9: error: expected initializer before 'M'
  int N，M;
         ^
0_0_17631182_2257.cpp:7:14: error: 'M' was not declared in this scope
  scanf("%d",&M)
              ^