#include <bits/stdc++.h>
#include "grader.h"
#define respagold ios_base::sync_with_stdio(0), cin.tie(0);
#define int long long
#define ll long long
#define int2 __int128_t
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
#define FORR( i, x, n, d ) for( int i = x; i >= n; i -= d )
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x.size())
#define pb push_back
#define ins insert
#define lb lower_bound
#define ub upper_bound
#define pii pair <int, int>
#define mkp make_pair
using namespace std;
const int N1 = 2e5 + 123;
const int inf = 1e18;
const int MOD = 1e9 + 7;
const int MOD1 = 998244353;
const int P = 6547;
const int lo = 1e15;
int a[N1], n, m, k, z, w, ans, x, y;
mt19937 rng( chrono::steady_clock::now().time_since_epoch().count());
int rand( int l, int r )
{
uniform_int_distribution <int> uid( l, r );
return uid( rng );
}
int kth(int x)
int say_answer(int x)
void solve( int N )
{
n = N;
int num = min( n, 30ll );
FOR( i, 1, n, 1 ) a[i] = i;
random_shuffle( a + 1, a + n + 1 );
int ans = -1;
FOR( i, 1, num, 1 )
{
x = kth(a[i]);
y = cnt(x);
if( y > n / 3 ) ans = x;
}
say_answer(ans);
}
//signed main()
//{
//// freopen("connect.in", "r", stdin);
//// freopen("connect.out", "w", stdout);
//
// respagold
//
// int test = 0;
//
// if( !test ) cin >> test;
//
// while( test -- )
// {
// solve();
// }
//}
//// solved by KluydQ
