    int sin_array[9] = {8, 1, 0, 6, 2, 0, 7, 1, 6}; 


    // sum the result
	int sum = 0;

    for (int i = 0; i < 9; i++){
        sum += sin_array[i];
    }

    if (sum % 10 != 0){
        return 1;
    }

    return 0;
sum the integers in the sin_array array