Gym 313459A

#include<bits/stdc++.h>

using namespace std;

#define gc c=getchar()
#define r(x) read(x)
#define ll long long

template<typename T>
inline void read(T&x){
    x=0;T k=1;char gc;
    while(!isdigit(c)){if(c=='-')k=-1;gc;}
    while(isdigit(c)){x=x*10+c-'0';gc;}x*=k;
}

const int N=6;

int cnt[N];
int denomination[]={1, 5, 10, 20, 50, 100};

int main(){
    // freopen(".in","r",stdin);
    // freopen(".out","w",stdout);
    int mx=0;
    for(int i=0;i<N;++i){
        r(cnt[i]);
        if(denomination[i]*cnt[i]>=denomination[mx]*cnt[mx])mx=i;
    }
    printf("%d\n",denomination[mx]);
    return 0;
}