#include <stdio.h>
#include <stdlib.h>
srtuct Node{
    int data;
    struct Node *next;
};
struct Node* insert(struct Node *head,int value){
    struct Node *newNode =(struct Node*)malloc(sizeof(struct Node));
    newNode->data = value;
    newNode->next=NULL;
    if(head == NULL){
        return newNode;
    }
    struct Node *temp =head;
    while(temp->next !=NULL){
        temp = temp->next;
    }
    return head;
}
void traverse(struct Node *head){
    struct Node *temp =head;
    while(temp != NULL){
        printf("%d",temp->data);
        temp = temp->next;
    }
}
int main(){
    int n,value;
    struct Node *head = NULL;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid input");
        return 0;
    }
    for(int i=0;i<n;i++){
        scanf("%d",&value);
        head =insert(head,value);
    }
    traverse(head);
    return 0;
}