#include <bits/stdc++.h>

using namespace std;
#define rep(i, n, o) for(int i = 0;i < (n);i++)
#define ou(x) cout << x << endl

int main(){
   int n, c, ans = 0;
   map<int, int> mp;
   cin >> n;
   rep(i, 9, 0){
        cin >> c;
        mp[i + 1] = c;
    }
    for(int i = 8;i >= 0;i--){
        if(mp[i + 1] > 0){
            rep(j, mp[i + 1], 0){
                ans += (i + 1) * pow(10, (n - 1));
                n--;
            }
        }
        if(n == 0) break;
    }
    ou(ans);
}