#include<bits/stdc++.h>
using namespace std;
#define lo long long
#define sr string
#define ch char
#define ve vector
#define bl bool
#define all(x) x.begin(),x.end()
#define rep(i,a) for(lo i=0;i<a;i++)
#define rrep(i,a,b) for(lo i=a;i<b;i++)
#define rrrep(i,a,b) for(lo i=a;i>=b;i--)
#define wh while
#define lobo(a,b,x)-A lower_bound(A+a,A+b,x)-A;
#define get(i,p) get<i>(p)

int main(){
    lo A[1000],sum=0,i=0;
    while(cin>>A[i]){
        if(A[i]%15==0){
            sum+=8;
        }
        else if(A[i]%3!=0 && A[i]%5!=0){
            while(A[i]>=1){
                sum++;
                A[i]/=10;
            }
        }
        else{
            sum+=4;
        }
    }
    cout<<sum<<endl;
}