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//
// main.cpp
// permutari
//
// Created by Catalina Brinza on 10/16/13.
// Copyright (c) 2013 Catalina Brinza. All rights reserved.
//
#include <iostream>
#include <fstream>
using namespace std;
int n,a[8];
ifstream f("permutari.out");
ofstream g("permutari.out");
int valid(int k)
{
for (int i=1;i<k;i++)
if (a[i]==a[k]) return 0;
return 1;
}
void back(int k)
{
int i;
for (i=1;i<=n;i++)
{
a[k]=i;
if (valid(k)==1)
{if (k==n)
{
for (int j=1;j<=n;j++)
g<<a[j]<<' ';
g<<endl;
}
else back(k+1);
}
}
}
int main()
{
f>>n;
f.close();
back(1);
g.close();
}