View Compilation Error

0_0_22140851_28221.cpp:7:1: error: missing terminating " character
 printf("%d\no,a+b);
 ^
0_0_22140851_28221.cpp: In function 'int main()':
0_0_22140851_28221.cpp:8:5: error: expected primary-expression before '}' token
     }
     ^