#include<stdio.h>
#include<stdlib.h>
typedef struct node{
    int data;
    struct node *next;
}node;
node *head=NULL,tail;
void create(int num){
    node *newnode=(node*)malloc(1*sizeof(node));
    newnode->data=num;
    newnode->next=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
}
void dispaly(){
    node *itr;
    for(itr=head;itr!=NULL;itr=itr->next){
        printf("%d",&itr->data);
    }
}
int main(){
    int size,itr,num;
    scanf("%d",&size);
    if(size<0){
        printf("Invalid Input");
        return 0;
    }
    for(it=0;itr<size;itr++){
        if(!scanf("%d",&num)){
            printf("Invalid Input");
            retun 0;
        }
        create(num);
        display();
    }
    return 0;
}