View Compilation Error

0_0_20961317_14697.cpp:76:2: error: stray '\243' in program
  while(scanf("%d%d",&n,&m)！=EOF)
  ^
0_0_20961317_14697.cpp:76:2: error: stray '\241' in program
0_0_20961317_14697.cpp: In function 'int main()':
0_0_20961317_14697.cpp:76:29: error: lvalue required as left operand of assignment
  while(scanf("%d%d",&n,&m)！=EOF)
                             ^