#include<bits/stdc++.h>
using namespace std;
int main(){
    vector<int> a(5);
    for(int i=0;i<5;++i)cin>>a[i];
    int ans=0;
    for(int i=0;i<5;++i){
        int tmp=0;
        if((2-a[i]%3)/2)tmp+=4;
        if((4-a[i]%5)/4)tmp+=4;
        ans+=(tmp>0?tmp:log10(a[i])+1);
    }
    cout<<ans<<endl;
}