#include<bits/stdc++.h>
#include "Encoder.h"
using namespace std;
int n,siz[250010],dfn[250010],tot;
vector<int>e[250010];
inline void dfs(int rt,int da)
{
    siz[rt]=1;dfn[rt]=++tot;
    for(int i:e[rt])
    {
        if(i==da)continue;
        dfs(i,rt);siz[rt]+=siz[i];
    }
    int s=1<<(32-__builtin_clz(siz[rt]));
    tot+=s-siz[rt];siz[rt]=s;
    return ;
}
void Encode(int N,int A[],int B[])
{
    n=N;
    for(int i=0;i<n-1;++i)
    {
        e[A[i]].emplace_back(B[i]);
        e[B[i]].emplace_back(A[i]);
    }
    dfs(0,0);
    for(int i=0;i<n;++i)Code(i,dfn[i]|(siz[i]<<23));
    return ;
}

#include<bits/stdc++.h>
#include "Device.h"
using namespace std;
void InitDevice(){return ;}
int Answer(long long S,long long T)
{
    int Mx=(1<<24)-1,dfns,dfnt,sizs,sizt;
    dfns=S&Mx,dfnt=T&Mx;
    sizs=1<<(S>>23);sizt=1<<(T>>23);
    if(dfns<=dfnt&&dfnt<=dfns+sizs-1)return 1;
    if(dfnt<=dfns&&dfns<=dfnt+sizt-1)return 0;
    return 2;
}