View Compilation Error

0_0_18935165_32057.c: In function 'main':
0_0_18935165_32057.c:5:2: error: stray '\243' in program
  while(scanf("%d%d",&a,&b)！=EOF)
  ^
0_0_18935165_32057.c:5:2: error: stray '\241' in program
0_0_18935165_32057.c:5:29: error: lvalue required as left operand of assignment
  while(scanf("%d%d",&a,&b)！=EOF)
                             ^