// editor1
#include<stdio.h>
#include<stdlib.h>
#include<ctype.h>
typedef struct node{
    int data;
    struct node *nxt;
}node ;

node *head=null ,*tail;
void create(int num){
    node *newnode=(node*.malloc(1*sizeof(node)));
    newnode->data =num;
    newnode->nxt =NULL;
    if(head==NULL){
        head=newnode;
        tail=newnode;
    }
    else{
        tail->nxt=newnode;
        tail=newnode;
    }
    
}

void display(){
    node*itr;
    for(itr=head;itr!=NULL;itr=itr=itr->nxt){
        printf("%d",)
    }
}
int main(){
    int size,num,itr;
    scanf("%d",&size);
    if(size<=0){
        printf("Invalid input");
        return 0;
    }
    create (num);
    
}
display();
return 0;
}