#include <iostream>
#include <string>
using namespace std;
int main(){
	int a[5],sum=0;
	for(int i=0;i<5;i++){
		cin>>a[i];
		if(a[i]%15==0) sum=sum+8;
		else if(a[i]%3==0) sum+=4;
		else if(a[i]%5==0) sum+=4;
		else sum+=to_string(a[i]).size();
	}
	cout<<sum<<endl;
	return 0;
}