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

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

signed main(){
  int ans=0;
  vector<int> v(5);
  for(int i=0;i<5;i++)cin>>v[i];
  for(int p:v){
    if(p%3==0)ans+=4;
    if(p%5==0)ans+=4;
    if(p%3&&p%5)ans+=f(p);
  }
  cout<<ans<<endl;
}