#include<stdio.h>
int main(){
    int n;
    scanf("%d",&n);
    if(n<=0 || n>100){
        printf("invalid Input");
        return 0;
    }
    int arr[n];
    for (int i=0; i<n; i++){
        scanf("%d",&arr[i]);
    }
    
    for (int i=n-1;1>=0;i--){
        printf("%d",arr[i]);
    }
    return 0;
}