#include<bits/stdc++.h>
using namespace std;

int main(){
  int ans = 0;
  for(int i=0;i<5;i++){
    int a;
    cin >> a;
    if(a%15 == 0) ans += 8;
    else if(a%3 == 0 || a%5 == 0) ans += 4;
    else{
      string A = to_string(a);
      ans += A.size();
    }
  }
  cout << ans << endl;
}