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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,v[9],frecv[9];
void nperm (int index)
{
if(index>n)
{
for(int i=1; i<=n; i++)
{
fout<<v[i];
if(i<n)
fout<<' ';
}
fout<<'\n';
}
else
{
for(int i=1; i<=n; i++)
{
if(frecv[i]==0)
{
frecv[i]++;
v[index]=i;
nperm(index+1);
frecv[i]--;
}
}
}
}
int main()
{
fin>>n;
nperm(1);
return 0;
}