rt

#include<bits/stdc++.h>
#define short long long
#define int long long
#define float long double
#define double long double
#define char wchar_t
#define ios ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
using namespace std;
signed main(){
	ios;
    int a[100],n=0;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a[i];
    }
    for(int j=n-1;j>=0;j--){
        cout<<a[j];
    }
	return 0;
}