#include<stdio.h>
#include<stdlib.h>

struct node{
	int data;
	struct node *link;
};

struct node *Head=NULL;
struct node *Tail=NULL;

void last(int value1){

	struct node *Node=(struct node*)malloc(sizeof(struct node));
	Node->data=value1;
	Node->link=NULL;

	if(Head==NULL){
		Head=Node;
		Tail=Node;
	}else{
		Tail->link=Node;
		Tail=Node;
	}
}


void first(int value2){
	struct node *Node1=(struct node*)malloc(sizeof(struct node));
	Node1->data=value2;
	Node1->link=NULL;

	if(Head==NULL){
		Head=Node1;
		Tail=Node1;
	}else{
		Node1->link=Head;
		Head=Node1;
	}
}

void search(int value3){
	struct node *src=Head;
	int count=0;
	while(src->link !=NULL){
		if(src->data==value3){
			count++;
			break;
		}
		src=src->link;
	}
	if(count==0){
		printf("Not found\n");
	}else{
		printf("found\n");
	}
}

void display(){
    struct node *ptr=Head;
    while(ptr->link!=NULL){
        printf("%d ",ptr->data);
        ptr=ptr->link;
    }

}




main(){

	last(10);
	last(20);

	display();
	search(11);
	return 0;
}