#include<iostream>
#include<climits>
#include <math.h>

using namespace std;

int main (){
int n = 1;
int sum = 0;
while(n!=0){
    cin >> n;
    if(n % 3 == 0 && n % 10 == 8){
        sum += n;
    }
}
cout << sum;
        return 0;
}