#include<stdio.h>
#include<stdlib.h>

struct n{int d;struct n*next;}*h,*t;

int main(){
    int n,x;
    scanf("%d",&n);
    if(n<0) return 
    printf("Invalid Input");
    while(n--){
        scanf("%d",&x);
        struct n*p=malloc(sizeof(*P));
        p->d=x; p->next=0;
        h?h->next=p:(h=p);
        h=p;
    }
    for(t=h;t;t=t->next)
    printf("%d",t->d);
    return 0;
}