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#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,v[10];
bool exist[10];
inline void afis()
{
for (int i=1; i<=n; ++i)
fout<<v[i]<<" ";
fout<<'\n';
}
void BKT(int k)
{
int i;
for (i=1; i<=n; ++i)
if (!exist[i])
{
exist[i]=1;
v[k]=i;
if (k==n) afis();
else BKT(k+1);
exist[i]=0;
}
}
int main()
{
fin>>n;
BKT(1);
return 0;
}