View Compilation Error

0_0_34775721_20719.cpp:5:3: error: missing terminating " character
   while(scanf(%d %d",&a,&b）!=EOF)；
   ^
0_0_34775721_20719.cpp:6:3: error: missing terminating " character
   printf("%d,a+b);
   ^
0_0_34775721_20719.cpp: In function 'int main()':
0_0_34775721_20719.cpp:5:15: error: expected primary-expression before '%' token
   while(scanf(%d %d",&a,&b）!=EOF)；
               ^
0_0_34775721_20719.cpp:5:16: error: 'd' was not declared in this scope
   while(scanf(%d %d",&a,&b）!=EOF)；
                ^
0_0_34775721_20719.cpp:7:1: error: expected ')' before '}' token
 }
 ^
0_0_34775721_20719.cpp:7:1: error: expected primary-expression before '}' token