#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int f(int n){
  int ans = 0;
  while(n > 0){
    ans++;
    n /= 10;
  }
  return ans;
}

int main(void){
  int a[5];
  for(int i = 0; i < 5; i++) cin >> a[i];
  int ans = 0;
  for(int i = 0; i < 5; i++){
    if(a[i] % 15 == 0) ans += 8;
    else if(a[i] % 3 == 0 || a[i] % 5 == 0) ans += 4;
    else ans += f(a[i]);
  }
  cout << ans << endl;
  return 0;
}