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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, viz[10], a[10];
void afis()
{ for(int i=1; i<=n; i++)
fout << a[i] << ' ';
fout << '\n';
}
void bkt(int x)
{ if(x == n + 1)
afis();
else
{ for(int i=1; i<=n; i++)
if(!viz[i])
{ viz[i] = 1;
a[x] = i;
bkt(x+1);
viz[i] = 0;
}
}
}
int main()
{
fin >> n;
bkt(1);
return 0;
}