View Compilation Error

0_0_26556662_16497.cpp:4:1: error: stray '\243' in program
 while(scanf("%d%d",&a,&b）！=EOF）{
 ^
0_0_26556662_16497.cpp:4:1: error: stray '\251' in program
0_0_26556662_16497.cpp:4:1: error: stray '\243' in program
0_0_26556662_16497.cpp:4:1: error: stray '\241' in program
0_0_26556662_16497.cpp:4:1: error: stray '\243' in program
0_0_26556662_16497.cpp:4:1: error: stray '\251' in program
0_0_26556662_16497.cpp:5:1: error: stray '\243' in program
 printf（"%d\n",a+b);
 ^
0_0_26556662_16497.cpp:5:1: error: stray '\250' in program
0_0_26556662_16497.cpp: In function 'int main()':
0_0_26556662_16497.cpp:4:29: error: lvalue required as left operand of assignment
 while(scanf("%d%d",&a,&b）！=EOF）{
                             ^
0_0_26556662_16497.cpp:7:9: error: expected ')' before ';' token
 return 0;
         ^