#include<stdio.h>
int main() {
    int n, i;
    scanf("%d",&n);
    int arr;
    for (i=0;i<n;i++){
      scanf("%d",&arr[i]);
    }
    for (i=n-1;i>=0;i--){
      printf("%d",arr[i]);
    }
    printf("\n");
    return 0;
}