View Compilation Error

0_0_19862756_12172.cpp:6:4: error: missing terminating " character
    while(scanf("%d %d,&a,&b))
    ^
0_0_19862756_12172.cpp: In function 'int main()':
0_0_19862756_12172.cpp:8:26: error: expected '}' before ';' token
        printf("%d\n",a+b);  
                          ^
0_0_19862756_12172.cpp:8:26: error: expected ')' before ';' token
0_0_19862756_12172.cpp:8:26: error: expected ')' before ';' token
0_0_19862756_12172.cpp: At global scope:
0_0_19862756_12172.cpp:10:1: error: expected declaration before '}' token
 }
 ^