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

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

node *head = NULL, *tail = NULL;

void create(int num){
    node *newnode = malloc(sizeof(node));
    newnode->data = num;
    newnode->next = NULL;

    if(head == NULL){
        head = tail = newnode;
    } else {
        tail->next = newnode;
        tail = newnode;
    }
}

void insert_begin(int num){
    node *newnode = malloc(sizeof(node));
    newnode->data = num;
    newnode->next = head; 
    head = newnode;       

    if(tail == NULL)    
        tail = newnode;
}

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

int main(){
    int size, num, itr;
    scanf("%d", &size);

    if(size <= 0){
        printf("Invalid input");
        return 0;
    }

    for(itr = 0; itr < size; itr++){
        if(scanf("%d", &num) != 1){
            printf("Invalid input");
            return 0;
        }
        create(num);
    }

insert_begin(10)
    display();
    return 0;
}