#include "avoid.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
#define mk make_pair
#define pb push_back
#define fr first
#define sc second
pii scout(int R, int H) {
int l = 1, r = 1000;
while(l < r) {
int mid = (l+r)/2;
vi rob;
for(int i = l; i <= mid; i++) rob.pb(i);
send(rob);
vi ans = wait();
if(ans[0]) r = mid;
else l = mid+1;
}
int a = l;
l++; r = 1000;
while(l < r) {
int mid = (l+r)/2;
vi rob;
for(int i = l; i <= mid; i++) rob.pb(i);
send(rob);
vi ans = wait();
if(ans[0]) r = mid;
else l = mid+1;
}
return mk(a, min(1000, l));
}
