#include "insects.h"
#include <bits/stdc++.h>
#define pb push_back
#define fst first
#define snd second
#define fore(i,a,b) for(ll i=a,ioi=b;i<ioi;i++)
#define SZ(x) ((int)x.size())
#define ALL(x) x.begin(),x.end()
#define mset(a,v) memset((a),(v),sizeof(a))
#define imp(v) for(auto djfhg:v)cout<<djfhg<<" ";cout<<"\n"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
//const ll MAXN=205;
void in(ll i){
move_inside(i);
}
void out(ll i){
move_outside(i);
}
ll ask(){
return press_button();
}
int min_cardinality(int N){
ll n=N;
vector<ll>a;
fore(i,0,n)a.pb(i);
ll res=0;
ll k=-1;
while(1){
vector<ll>ai;
vector<ll>dif;
for(auto i:a){
in(i); dif.pb(i);
if(ask()==2)out(i),ai.pb(i),dif.pop_back();
}
if(k!=-1&&SZ(dif)!=k)break;
res++;
k=SZ(dif);
a=ai;
}
return res;
}
