#include "bits/stdc++.h"
using namespace std;
#define fastcin {\
    cin.tie(0);\
    ios::sync_with_stdio(false);\
}
#define REP(i, a, b) for(int i = a; i < b; i++)
#define RREP(i, a, b) for(int i = a; i > b; i--)
#define print(x) cout << x << "\n"
#define SORT(a, n) sort(a, a+n);
#define REVERSE(a,n) reverse(a,a+n);
#define VSORT(v) sort(v.begin(), v.end());
#define VREVERSE(v) reverse(v.begin(), v.end());
#define MOD 1000000007
typedef long long ll;

int main() {
    fastcin;
    int a, ans;
    REP(i, 0, 5) {
        cin >> a;
        if(!(a%15)) ans += 8;
        else if(!(a%3)||!(a%5)) ans += 4;
        else {
            while(a!=0){
                a = a / 10;
                ans++;
            }
        }
    }
    cout << ans << endl;
    return 0;
}