View Compilation Error

0_0_22167310_22952.cpp:5:1: error: missing terminating " character
 while(scanf("%d%d,&a,&b)=!EOF)
 ^
0_0_22167310_22952.cpp: In function 'int main()':
0_0_22167310_22952.cpp:7:1: error: expected primary-expression before 'if'
 if(a==0&&b==0)
 ^
0_0_22167310_22952.cpp:7:1: error: expected '}' before 'if'
0_0_22167310_22952.cpp:7:1: error: expected ')' before 'if'
0_0_22167310_22952.cpp:11:20: error: expected ')' before ';' token
  printf("%d\n",a+b);
                    ^
0_0_22167310_22952.cpp: At global scope:
0_0_22167310_22952.cpp:13:2: error: expected unqualified-id before 'return'
  return 0;
  ^
0_0_22167310_22952.cpp:14:1: error: expected declaration before '}' token
 }
 ^