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