public static void Run()
{
using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput())))
using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput())))
{
int n = fs.NextInt(), m = fs.NextInt();
int[] p = new int[n];
DisjointSet dsu = new DisjointSet();
for (int i = 0; i < n; i++)
{
p[i] = fs.NextInt() - 1;
dsu.MakeSet(i);
}
for (int i = 0; i < m; i++)
{
int u = fs.NextInt() - 1, v = fs.NextInt() - 1;
dsu.Union(p[u], p[v]);
}
LinkedList<int>[] lists = new LinkedList<int>[n];
for (int i = n - 1; i >= 0; i--)
{
int set = dsu.FindSet(i);
if (lists[set] == null) lists[set] = new LinkedList<int>();
lists[set].AddLast(i);
}
for (int i = 0; i < n; i++)
{
int set = dsu.FindSet(p[i]);
writer.Write(lists[set].First() + 1 + " ");
lists[set].RemoveFirst();
}
}
}
public static void Run()
{
using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput())))
using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput())))
{
int n = fs.NextInt();
DisjointSet dsu = new DisjointSet();
List<string> cycles = new List<string>();
for (int i = 1; i <= n; i++)
{
dsu.MakeSet(i);
}
for (int i = 0; i < n - 1; i++)
{
int a = fs.NextInt(), b = fs.NextInt();
if (dsu.FindSet(a) == dsu.FindSet(b)) cycles.Add(a + " " + b);
else dsu.Union(a, b);
}
HashSet<int> hashSet = new HashSet<int>();
for (int i = 1; i <= n; i++)
{
hashSet.Add(dsu.FindSet(i));
}
int[] leaders = hashSet.ToArray();
writer.WriteLine(leaders.Length - 1);
int j = 0;
for (int i = 0; i < leaders.Length - 1; i++)
{
writer.WriteLine(cycles[j++] + " " + leaders[i] + " " + leaders[i + 1]);
}
}
}
