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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <stack>
#include <cstring>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int DIM = 9;
int S[DIM],n,k;
void Print()
{
for(int i=1;i<=n;i++)
fout<<S[i]<<" ";
fout<<'\n';
}
bool Sol(int k)
{
if(k==n)
return 1;
return 0;
}
bool OK(int k)
{
for(int i=1;i<k;i++)
{
if(S[i]==S[k])
return 0;
}
return 1;
}
void Back(int k)
{
for(int i=1;i<=n;i++)
{
S[k]=i;
if(OK(k))
{
if(Sol(k))
Print();
else
Back(k+1);
}
}
}
int main()
{
fin>>n;
Back(1);
}