#include <iostream>
#include<string>
#include "stdlib.h"
using namespace std;
void start()
{
     cout<<"Welcom to Vi Human (bot chat program)"<<endl;
     cout<<"Please print you question ! "<<endl;
}
void Hello2()
{
    cout<<"Hi! what are you doing ?"<<endl;
}
void Hello1()
{
   cout<<"Hi human! I VI (Virtual Intelligence)"<<endl;
}
int main()
{

    start();

    string x;
    I:
    cin>>x;
    if(x=="hello")Hello1();
    if(x=="hi")Hello2();
    goto I;
    cin.get();
    cin.get();
    cin.get();
}