#include<stdio.h>
#include<stdlib.h>
struct Node
{
    int data;
    struct Node*next;
};
int main()
{
    struct Node*ptr;
    ptr=(struct Node*)malloc(sizeof(struct Node));
    int ptr->data
    scanf("%d",&ptr->data);
    ptr->next=NULL;
    printf("Data= %d\n",ptr->data);
    return 0;
}