#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(LL i = a;i<b; i++)
#define rrep(i,a,b) for(LL i = a;i>b; i--)
#define INF ((1LL<<62)-(1LL<<31))
#define ooki 9,223,372,036,854,775,807
#define tii -9,223,372,036,854,775,808
typedef long long LL;
int f(int x){
  LL count = 0;
  while(x>0){
    x/=10;
    count++;
  }
  return count ;
}
int main(){
   LL count = 0;
  rep(i,0,5){
    LL a;
    cin >> a;
    if(a%3==0&&a%5==0){count+=8;}
    if(a%3==0&&a%5!=0){count+=4;}
    if(a%3!=0&&a%5==0){count+=4;}
    if(a%3!=0&&a%5!=0){count+=f(a);}
  }
  cout << count << endl;
}