// editor2
#include<stdio.h>
int main(){
    int n,i;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid Input");
    }
    int arr[n];
    for(i=0;i<n;scanf("%d",&arr[i]));
    for(i=n;i>0;printf("%d", arr[i]));
    
    return 0;
    
}