// editor1
#include<stdio.h>
#include<stdlib.h>

typedef struct node{
    int data;
    struct node *next;
new}node;
node *tail,*head,*newnode;

int main(){
    int size,num,i;
    scanf("%d",&size);
    if(size <0)
    {
        printf("Invalid input");
        return 0;
    }
    for(i=0;i<size;i++){
        scanf("%d",&num);
    create(num);
        
    }
    display();
    
}
void create(int num)
{
    newnode=(node*)malloc(sizeof(node));
    newnode->next=NULL;
    newnode->data=num;
    if(head==NULL)
    {
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
}

void display()
{
    node *tem;
    for(tem =head->next;tem!=NULL;tem=tem->next)
    {
        printf("%d",tem->data);
    }
}