#include<string>
#include<iostream>
using namespace std;
int main(void){
	int i,a,ans=0;
	for(i=0;i<5;i++){
		cin>>a;
		if(a%15==0){ans+=8;continue;}
		if(a%5==0){ans+=4;continue;}
		if(a%3==0){ans+=4;continue;}
		while(a>0){ans++;a/=10;}
	}
	cout<<ans<<endl;
	return 0;
}