inheritance oops assi 9

#include<bits/stdc++.h>
using namespace std;
class base1
{
    protected:
    char name[20];
    char dob[20];
    char bg[5];

    public:
    base1()
    {
    }
    base1(char *x1,char *x2,char *x3)
    {
       strcpy(name,x1);
       strcpy(dob,x2);
       strcpy(bg,x3);
    }
    void BASE1()
    {
       cout<<"\nname: "<<name;
       cout<<"\ndate of birth: "<<dob;
       cout<<"\nblood group: "<<bg;
    }
};

class base2
{
    protected:
    float height;
    float weight;

    public:
    base2()
    {
    }
    base2(float x4,float x5)
    {
        height=x4;
        weight=x5;
    }
    void BASE2()
    {
        cout<<"\nheight: "<<height;
        cout<<"\nweight: "<<weight;
    }
};
class base3
{
    protected:
    int pno;
    char *add;

    public:
    base3()
    {
    }
    base3(int x6,char *x7)
    {
        pno=x6;
        strcpy(add,x7);
    }
    void BASE3()
    {
        cout<<"\npolicy number: "<<pno;
        cout<<"\naddress details: "<<add;
    }
};

class derived:public base1,public base2,public base3
{
    int phoneno;
    int drivingno;

    public:
    derived()
    {
    }
    derived(char *x1,char *x2,char *x3,float x4,float x5,int x6,char *x7,int x8,int x9):base1(x1,x2,x3),base2(x4,x5),base3(x6,x7)
    {
        phoneno=x8;
        drivingno=x9;
    }
    void display()
    {
        BASE1();
        BASE2();
        BASE3();
        cout<<"\nphone number:"<<phoneno;
        cout<<"\ndriving number:"<<drivingno;
    }
};
int main()
{
    derived *d;
    int i,n,y=1,x,phoneno,drivingno,pno;
    float height,weight;
    char name[100],bg[100],dob[100],add[100];
    while(y)
    {
        cout<<"Enter your choice: ";
        cout<<"\n1.Enter details\n2.show details\n3.exit\n";
        cin>>x;
        switch(x)
        {
        case 1:
        cout<<"\n---------EMPLOYEE---------\n";
        cout<<"\nEnter the name of the employee: ";
        cin>>name;
        cout<<"\nEnter the date of birth: ";
        cin>>dob;
        cout<<"\nEnter the blood group: ";
        cin>>bg;
        cout<<"\nEnter the height of the employee: ";
        cin>>height;
        cout<<"\nEnter the weight of the employee: ";
        cin>>weight;
        cout<<"\nEnter the policy number: ";
        cin>>pno;
        cout<<"\nEnter the address details: ";
        cin>>add;
        cout<<"\nEnter phone number: ";
        cin>>phoneno;
        cout<<"\nEnter driving license number: ";
        cin>>drivingno;
        d=new derived(name,dob,bg,height,weight,pno,add,phoneno,drivingno);
        break;

        case 2:
        cout<<"\nEmployee details:\n";
        d->display();
        break;

        case 3:exit(0);
        break;
     }
    cout<<"for continue.....press<1> or press<0>\n";
    cin>>y;
   }
}