#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 (sizeof(Node));
    newNode->data=num;
    newNode->next=NULL;
    if(head==NULL) {
        head=newNode;
        tail=newNode;
    }
    tail->next=newNode;
    tail=newNode;
}
void display() {
    Node *itr;
    for(itr=head;itr<size;itr++)
    
}
}