#include <bits/stdc++.h>

using namespace std;

const int N = 5e5 + 5, M = 2e6 + 5, K = 19;

int n;
int la[N], h[N], ne[M], en[M], idx;
int fa[N];
int in[N], out[N], dfst;
int s[N];
char res[N];
int dep[N], ff[N][K], mn[N][K], mx[N][K];

inline void Add(int la[], int a, int b)
{
    ne[ ++ idx] = la[a];
    la[a] = idx;
    en[idx] = b;
}

inline void DFS1(int u, int f) // 对原树找父亲
{
    fa[u] = f;
    for(int i = la[u]; i; i = ne[i])
    {
        int v = en[i];
        if(v != f) DFS1(v, u);
    }
}
inline void DFS2(int u, int f) // 对点分树求 DFS 序
{
    in[u] = ++ dfst;
    for(int i = h[u]; i; i = ne[i])
    {
        int v = en[i];
        if(v != f) DFS2(v, u);
    }
    out[u] = dfst;
}

inline void Work0()
{
    dfst = 0, DFS1(1, 0), DFS2(1, 0);
    // for(int i = 1; i <= n; i ++ ) printf("%d ", in[i]);
    // puts("");
    for(int u = 1; u <= n; u ++ )
    {
        for(int i = h[u]; i; i = ne[i])
        {
            int v = en[i];
            if(in[v] > in[u])
            {
                if(u != fa[v] && v != fa[u])
                {
                    int x = max(in[fa[u]], in[fa[v]]);
                    // printf("#%d %d %d\n", u, v, x);
                    if(in[v] <= x && x <= out[v])
                    {
                        s[in[v]] ++ , s[out[v] + 1] -- ;
                    }
                    else
                    {
                        s[1] ++ , s[in[v]] -- , s[out[v] + 1] ++ ;
                    }
                }
            }
        }
    }
    for(int i = 1; i <= n; i ++ ) s[i] += s[i - 1];
    for(int i = 1; i <= n; i ++ ) res[i] = (!s[in[i]]) | 48;
}

inline void DFS4(int u, int f) // 对原树进行预处理
{
    ff[u][0] = f, dep[u] = dep[f] + 1;
    mn[u][0] = mx[u][0] = in[u];
    for(int i = 1; i < K; i ++ )
    {
        ff[u][i] = ff[ff[u][i - 1]][i - 1];
        mn[u][i] = min(mn[u][i - 1], mn[ff[u][i - 1]][i - 1]);
        mx[u][i] = min(mx[u][i - 1], mx[ff[u][i - 1]][i - 1]);
    }
    for(int i = la[u]; i; i = ne[i])
    {
        int v = en[i];
        if(v != f) DFS4(v, u);
    }
}
inline int LCA(int u, int v)
{
    if(dep[u] < dep[v]) swap(u, v);
    for(int i = K - 1; i >= 0; i -- )
        if(dep[ff[u][i]] >= dep[v])
            u = ff[u][i];
    if(u == v) return u;
    for(int i = K - 1; i <= 0; i -- )
        if(ff[u][i] != ff[v][i])
            u = ff[u][i], v = ff[v][i];
    return ff[u][0];
}
inline void FindKth(int u, int k, int &mmn, int &mmx)
{
    for(int i = 0; i < K; i ++ )
        if(k >> i & 1)
        {
            mmn = min(mmn, mn[u][i]);
            mmx = max(mmx, mx[u][i]);
            u = ff[u][i];
        }
}
inline void Find(int u, int v, int &mmn, int &mmx)
{
    int w = LCA(u, v);
    if(w == v)
    {
        FindKth(u, dep[u] - dep[v], mmn, mmx);
    }
    else
    {
        FindKth(u, dep[u] - dep[w] + 1, mmn, mmx);
        FindKth(ff[v][0], dep[v] - dep[w], mmn, mmx);
    }
}

inline bool Work1(int rt)
{
    dfst = 0, DFS2(rt, 0);
    for(int u = 1; u <= n; u ++ )
    {
        for(int i = h[u]; i; i = ne[i])
        {
            int v = en[i];
            if(in[v] > in[u])
            {
                if(u != fa[v] && v != fa[u])
                {
                    int mn = n, mx = 1;
                    Find(v, u, mn, mx);
                    // printf("!%d %d %d %d\n", u, v, mn, mx);
                    if(mn < in[v] || mx > out[v]) return 0;
                }
            }
        }
    }
    return 1;
}

inline void Solve()
{
    scanf("%d", &n);
    for(int i = 0; i <= n + 1; i ++ )
    {
        la[i] = h[i] = s[i] = res[i] = 0;
        for(int j = 0; j < K; j ++ )
        {
            mn[i][j] = n;
            mx[i][j] = 1;
        }
    }
    idx = 0;
    for(int i = 1; i < n; i ++ )
    {
        int a ,b;
        scanf("%d%d", &a, &b);
        Add(la, a, b), Add(la, b, a);
    }
    for(int i = 1; i < n; i ++ )
    {
        int a ,b;
        scanf("%d%d", &a, &b);
        Add(h, a, b), Add(h, b, a);
    }
    Work0();
    int rt = 1;
    while(rt <= n && res[rt] == '0') rt ++ ;
    // printf("#%d\n", rt);
    if(rt <= n && !Work1(rt))
    {
        for(int i = 1; i <= n; i ++ ) res[i] = '0';
    }
    puts(res + 1);
}

int main()
{
    int T;
    T = 1;
    while(T -- ) Solve();
    return 0;
}