#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
const int nmax=5e3+42;
int output[nmax];
int n;
bool seen[nmax];
int diff[nmax],diff_2[nmax];
/*
int query(int s,int t)
{
cout<<s<<" "<<t<<endl;
int ret;
cin>>ret;
return ret;
}
int answer(int s,int t)
{
cout<<"answer "<<s<<" "<<t<<endl;
}
*/
int my_ask(int s,int t)
{
return query(s,t);
}
int maxi(vector<int> now)
{
int a=0;
for(auto k:now)
a=max(a,k);
return a;
}
int mini(vector<int> now)
{
int a=nmax;
for(auto k:now)
a=min(a,k);
return a;
}
void print()
{
for(int i=1;i<=n;i++)
answer(i,output[i]);
exit(0);
}
void rec(int val,int pos)
{
//cout<<"rec "<<val<<" "<<pos<<endl;
if(1>val||val>n)return;
if(seen[val])return;
seen[val]=1;
output[pos]=val;
if(val==n&&seen[1]==0)
{
seen[val]=0;
return;
}
//cout<<"rec: ";for(int i=1;i<=n;i++)cout<<output[i]<<" ";cout<<";"<<endl;for(int i=1;i<=n;i++)cout<<seen[i]<<" ";cout<<endl;
if(diff_2[pos])
{
//cout<<"test_2 "<<maxi({output[pos-2],output[pos-1],output[pos]})<<" "<<mini({output[pos-2],output[pos-1],output[pos]})<<" "<<diff_2[pos]<<endl;
if(maxi({output[pos-2],output[pos-1],output[pos]})-mini({output[pos-2],output[pos-1],output[pos]})!=diff_2[pos])
{
seen[val]=0;
return;
}
}
if(pos==n)print();
rec(val+diff[pos],pos+1);
rec(val-diff[pos],pos+1);
seen[val]=0;
}
void solve(int N)
{
n=N;
for(int i=1;i<=n;i++)
answer(i,i);
return;
for(int i=1;i+1<=n;i++)
diff[i]=my_ask(i,i+1);
for(int i=3;i<=n;i++)
diff_2[i]=my_ask(i-2,i);
for(int i=1;i<=n;i++)output[i]=i;
print();
for(int i=1;i<=n;i++)
rec(i,1);
assert(0==1);
}
/*
int main()
{
solve(5);
}
*/
