View Compilation Error

0_0_16556872_8371.cpp:6:1: error: missing terminating " character
 printf("%d\n,a+b);
 ^
0_0_16556872_8371.cpp: In function 'int main()':
0_0_16556872_8371.cpp:7:1: error: expected primary-expression before 'return'
 return 0;
 ^