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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, sol[100];
void Afis()
{
int i;
for(i = 1; i <= n; i++)
fout << sol[i] << " ";
fout << "\n";
}
inline bool Cond(int k)
{
int i;
for(i = 1; i < k; i++)
if(sol[k] == sol[i])
return false;
return true;
}
void Back(int k)
{
int i;
if(k > n)
Afis();
else
for(i = 1; i <= n; i++)
{
sol[k] = i;
if(Cond(k))
Back(k + 1);
}
}
int main()
{
fin >> n;
Back(1);
return 0;
}