#include<iostream>
#include<vector>
#include<algorithm>
#include<cstdio>
#include<cmath>
using namespace std;
int main(){
    int N,sum=0;
    for(int i=0;i<5;i++){
        cin >> N;
        if(N%3==0&&N%5==0)  sum+=8;
        else if(N%3==0&&N%5!=0) sum+=4;
        else if(N%3!=0&&N%5==0) sum+=4;
        else    for(;N!=0;N/=10){
                    sum++;
                }
    }
    cout << sum;
    return 0;
}