#include <bits/stdc++.h>
using namespace std;
#define ll long long int
#define rep(i,n) for( int i = 0; i < n; i++ )
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define INF 2000000000
#define mod 1000000007
#define INF2 1000000000000000000

int mojicnt(int a) {
    int cnt = 0;
    while(a > 0) {
        a /= 10;
        cnt++;
    }
    return cnt;
}

int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    int a[5];
    rep(i, 5) cin >> a[i];
    int ans = 0;
    rep(i, 5) {
        if (a[i] % 3 == 0 || a[i] % 5 == 0) {
            if (a[i] % 15 == 0) ans += 8;
            else ans += 4;
        }
        else ans += mojicnt(a[i]); 
        //dump(ans);
    }
    cout << ans << endl;


    return 0;
}