Bappy sir 2

#include <cstring>
#include <iostream>
#include <cstdio>
using namespace std;

struct list{

        int data;
        struct list *next;
        struct list *prev;

};

typedef struct list node;

node *Insert(node *head, int y,int x){

        node *temp;
        if(head == NULL){

            head = new node();

            head->prev = NULL;

            temp = new node();
            head->next = NULL;
            temp->data = x;
            temp->next = NULL;

            temp->prev = head;



        }

    }


int main(int argc, char **argv)
{


    int flag=1;
    int y, x,del;
    char function[20];

    node *head;

    head = new node();

    head->prev = NULL;
    head->next = NULL;


    while(flag){

        scanf("%s",function);

        if(strcmp(function, "ins")==0){


                scanf("%d%d", &y,&x);
                printf("%d %d", y, x);


            }

        if(strcmp(function, "shw")==0){

                cin>>del;

            }

        if(strcmp(function, "del")==0){

            printf("del");

            }

        if(strcmp(function, "sch")==0){

            printf("sch");

            }

        if(strcmp(function, "shw")==0){

            printf("shw");

            }

        if(strcmp(function, "ext")==0){

            flag =0;

            }
    }



    return 0;
}