#include <bits/stdc++.h>
#include "grader.h"
#define pb push_back
using namespace std;
#define F first
#define sz size()
#define S second
#define in insert
#define all(v) v.begin(), v.end()
#define FOR(x, n, m, d) for(int x = n; x <= m; x += d)
#define FORR(x, n, m, d) for(int x = n; x >= m; x -= d)
#define nikita ios_base::sync_with_stdio(0), cin.tie(0);
const int N = 300+5;
int n,m,k,tt,ans,sum=0,l, r, x, y, cnt, block = 448;
int a[N][N], b[N], c[N][N];
void solve(int n) {
vector<int>q, v;
FORR(i, n, 1, 1) {
q.pb(i);
}
ans = query(q);
if(ans==n)return;
FOR(i, 1, 1, 1) {
bool ji = 0;
if(b[i])continue;
FOR(j, i, n-1, 1){
if( b[j+1] || c[i][j])continue;
c[i][j] = 1;
swap(q[i-1], q[j]);
sum = query(q);
if(sum==n)return;
v = q;
if(sum == ans + 1){
bool f = 0;
FOR(ok, i, n-1, 1){
if(b[ok+1])continue;
swap(q[i-1], q[ok]);
k = query(q);
if(k==n)return;
swap(q[i-1], q[ok]);
if(k > sum)f = 1;
}
ans++;
if(!f) {
q = v;
break;
}
else b[j+1] = 1;
}
else if(sum==ans+2) {
ans += 2;
b[i] = b[j+1] = 1;
break;
}
else swap(q[i-1], q[j]);
}
}
FOR(i,2,n,1){
if(b[i])continue;
swap(q[0], q[i-1]);
sum = query(q);
if(ans + 1 == sum)b[i] = 1, ans ++;
swap(q[0], q[i-1]);
}
FOR(i, 1, n, 1){
if(!b[i]){
bool f = 0;
swap(q[0], q[i-1]);
FOR(j, i, n-1, 1){
if(b[j+1])continue;
swap(q[i-1], q[j]);
sum = query(q);
if(sum==n)return;
if(sum == ans + 1){
ans ++;
swap(q[0], q[j]);
break;
}
}
}
}
cout << query(q);
}
/*
signed main()
{
nikita
tt = 1;
if(!tt)cin >> tt;
FOR(i, 1, tt, 1){
solve();
}
}
*/
