View Compilation Error

0_0_26722468_29021.cpp:5:5: error: stray '\243' in program
     while(scanf("%d%d",&a,&b)！=EOF) 
     ^
0_0_26722468_29021.cpp:5:5: error: stray '\241' in program
0_0_26722468_29021.cpp: In function 'int main()':
0_0_26722468_29021.cpp:5:32: error: lvalue required as left operand of assignment
     while(scanf("%d%d",&a,&b)！=EOF) 
                                ^