#include<stdio.h>
#include<stdlib.h>
struct Node{
    int data;
    struct Node*next;
};
struct Node*insertNode(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){
        printf("%d",temp->data);
        temp=temp->next;
    }
}
int main(){
    int n;
    scanf("%d",&n);
    if(n<0){
        printf("Invalid input");
        return 0;
    }
    struct Node*head=NULL;
    for(int i=0;i<n;i++){
        int val;
        scanf("%d",&val);
        head=insertNode(head,val);
    }
    traverseList(head);
    return 0;
}