#include<iostream>
#include<math.h>
#include<string.h>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<deque>
using namespace std;

int keta(long long x){
	int sum=0;
	while(x){
		sum++;	
		x/=10;
	}
	return sum;
}

int main(){
	string s;
	getline(cin,s);
	vector<int> v;
	
	int now=0;
	for(int i=0;i<s.size();i++){
		if(s[i]==' '){
			now/=10;
			v.push_back(now);
			now=0;
		}else{
			now+=(int)(s[i]-'0');
			now*=10;
		}
	}
	now/=10;
	v.push_back(now);
	
	int cnt=0;
	for(int i=0;i<v.size();i++){
		if(v[i]%3==0 && v[i]%5==0){
			cnt+=8;
		}else if(v[i]%3==0 || v[i]%5==0){
			cnt+=4;
		}else{
			cnt+=keta(v[i]);
		}
	}
	cout << cnt << endl;
	return 0;
}