#include<stdio.h>
int size,top=-1;
int arr[5];

void enqueue(int num){
    if(top==size-1){
        printf("Queue is Full\n");
    }
    else{
        arr[++top]=num;
    }
}

int dequeue(){
    if(top==-1){
        printf("Queue is Empty\n");
    }
    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 s,n,i;
    scanf("%d",&s);
    if(s<0){
        printf("Invalid input");
        return 0;
    }
    for(i=0;i<=top;i++){
        scanf("%d",&n);
        enqueue(num);
    }
    enqueue(num);
    dequeue();
    dequeue();
    dequeue();
    dequeue();
    dequeue();
    dequeue();
    traverse();
    return 0
}