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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n;
int v[11];
int verificare(int cnt)
{
for (int i=1;i<cnt;i++)
{
if (v[i]==v[cnt])
return 0;
}
return 1;
}
void backt(int cnt)
{
for (int i=1;i<=n;i++)
{
v[cnt]=i;
if (verificare(cnt))
{
if (cnt==n)
{
for (int i=1;i<=n;i++)
fout<<v[i]<<" ";
fout<<'\n';
}
else backt(cnt+1);
}
}
}
int main()
{
fin>>n;
backt(1);
return 0;
}