View Compilation Error

0_0_38134194_2039.cpp:6:1: error: missing terminating " character
 printf("%d,a+b);
 ^
0_0_38134194_2039.cpp: In function 'int main()':
0_0_38134194_2039.cpp:5:20: error: expected ';' before ':' token
 scanf("%d%d",&a,&b):
                    ^