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

typedef struct Node
{
    int data;
    struct Node*next;
}Node;

int main()
{
    int n,x;
    if(scanf("%d",&n)!=1 || n<=0)
    {
        printf("Invalid input\n");
        return 0;
    }
    Node*head=NULL,*tail=NULL,*p;
    for(int i=0;i<n;i++){
        if(scanf("%d",&x)!=1){
            printf("Invalid input\n");
            return 0;
        }
        p = malloc(sizeof(Node));
        p->data = x;p->next = NULL;
        if(!head)head = tail = p;
        else { tail->next = p; tail = p;}
    }
    for(p = head;p;p=p->next)
    print("%d",p->data);
    printf("\n");
    return 0;
    
}