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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, v[100];
bool cond(int k)
{
for(int i=0;i<k;i++)
if(v[i]==v[k]) return false;
return true;
}
void bkt(int k)
{
for(int i=1;i<=n;i++)
{
v[k]=i;
if(cond(k))
{
if(k==n-1)
{
for(int j=0;j<=k;j++) fout << v[j] << " ";
fout << "\n";
}
else bkt(k+1);
}
}
}
int main()
{
fin >> n;
bkt(0);
return 0;
}