// editor1
#include<stdio.h>
#define max 100
int queue[max];
int front=rear=-1;
void enqueue(int x){
    if(rear==max-1){
        printf("Queue is full");
        return;
    }
    if(front==-1){
        front=0;
    }
    queue[++rear]=x;
}
void dequeue(){
    if(front==-1 || front>rear){
        printf("Queue is empty");
    }
    printf("%d",queue[front]);
    front++;
}
int main(){
int size;
scanf("%d",&size);
if(size<0){
    printf("Invalid input");
}
for(int i=0;i<size;i++){
    int x;
    scanf("%d",&x);
    enqueue(x);
}
for(int i=0;i<size;i++){
    dequeue();
}
return 0;
}