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