View Compilation Error

0_0_20200769_21748.cpp:9:3: error: missing terminating " character
   scanf("%d%d, &a, &b);
   ^
0_0_20200769_21748.cpp: In function 'int main()':
0_0_20200769_21748.cpp:10:24: error: expected ')' before ';' token
   printf("%d\n", a + b);
                        ^