View Compilation Error

0_0_32551964_32428.cpp:4:2: error: missing terminating " character
  while("scanf("%d %d",&a,&b)!=EOF) 
  ^
0_0_32551964_32428.cpp: In function 'int main()':
0_0_32551964_32428.cpp:4:17: error: 'd' was not declared in this scope
  while("scanf("%d %d",&a,&b)!=EOF) 
                 ^
0_0_32551964_32428.cpp:5:2: error: expected ')' before 'printf'
  printf("%d",a+b);
  ^