#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
typedef struct node{
    int data;
    struct node*next;
}Node;

Node*head=NULL,*tail=NULL;
void create(int num){
    Node *newNode=(Node*)malloc(sizeof(Node));
    Newnode->data=num;
    newnode->next=NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->next=newnode;
        tail=newnode;
    }
} 
void display(){
    Node *itr;
    for(itr=head;itr!=NULL;itr=itr->next);
}
}

int main(){
    int size,num,itr;
    scanf("%d",&size);
    if(size<=0){
        printf("Invalid input");
        return 0;
    
    }
    
    for(int itr=1;itr<=size;itr++){
        if(scanf("%d",&num)!=1){
            printf("Invalid Input");
            return 0;
        }
        
        if(num<-1000 || num>1000){
            printf("Invalid input");
            return 0;
            
    }
    create(num);
    }
    display();
    return 0;
            
        }
        }
    }
}