#include<stdio.h>
#include<stdlib.h>
int size=5,top-1;
int arr[5];
int isfull()
{
    if(top==size-1)
      return 1;
    else 
      return 0;
}
void enqueue(int num)
{
    if(isfull())
     printf("Queue is full");
    else
     arr[++top]=num;
}
int isEmpty()
{
    if(top==-1)
     return 1;
    else
      return 0;
}
int dequeue()
{
    if(isEmpty())
      printf("Queue ie empty");
      else
       printf("%d",arr[0]);
       for(int i=0;i<top;i++)
        arr[i]=arr[i+1];
        top--;
}
void traverse()
{
    for(int i=0;i<=top;i++)
    printf("%d",arr[i]);
    printf("\n");
}
int main()
{
    int n,i,num;
    scanf("%d",&n);
    if(n<0)
    {
        printf("Invalid input");
        return 0;
    }
    for(i=1;i<=n;i++)
    {
        scanf("%d",&num);
        enqueue(num);
    }
    enqueue(num);
        dequeue();
    dequeue();
    dequeue();
    dequeue();
    dequeue();
    dequeue();
    traverse();
}