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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
bool marcat[9];
int v[8], n;
void bkt_perm(int pos)
{
int i;
if(pos==n)
{
for(i=0;i<n;i++)
fout << v[i] << " ";
fout << '\n';
}
else
{
for(i=1;i<=n;i++)
{
if(marcat[i]==0)
{
marcat[i]=1;
v[pos]=i;
bkt_perm(pos+1);
marcat[i]=0;
}
}
}
}
int main()
{
fin >> n;
bkt_perm(0);
return 0;
}