View Compilation Error

0_0_36783544_12888.cpp:5:4: error: missing terminating " character
    scanf("%d%d“，&a，&b)
    ^
0_0_36783544_12888.cpp: In function 'int main()':
0_0_36783544_12888.cpp:7:4: error: expected ')' before 'printf'
    printf("a+b=%d\n",c)
    ^