`#include<stdio.h>
int size,top=-1;
int arr[20];
int isFull(){
    if(top == size-1){
        return 1;
    }else{
        return 0;
    }
}

int isEmpty(){
    if(top == -1){
        return 1;
    }else{
        return 0;
    }
}
void enQueue(int num){
        if(isFull()){
            printf("Queue is Full\n");
        }else{
            arr[++top]=num;
        }
    }
void travesal(){
    for(int i=0;i<=top;i++){
        printf("%d ",arr[i]);
    }
}
int main(){
    int itr,num;
    scanf("%d",&size);
    if(size<0){
        printf("Invalid input");
        return 0;
        
    }
    for(itr=0;itr<size;itr++){
        scanf("%d",&num);
        enQueue(num);
    }
    travesal();
    return 0;
}