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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int s[9],nsir,n,i,j;
bool verific(int k)
{
for(int i=1;i<k;i++)
if(s[k]==s[i])
return 0;
return 1;
}
void afisez()
{
for(int i=1;i<=n;i++)
fout<<s[i]<<" ";
fout<<'\n';
}
void permutari(int k)
{
if(k<=n)
for(int i=1;i<=n;i++)
{
s[k]=i;
if(verific(k)==true)
permutari(k+1);
}
else
afisez();
}
int main()
{
fin>>n;
permutari(1);
return 0;
}