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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n,v[10];
bool ok[10];
void afisare()
{for (int i=1;i<=n;i++)
fout<<v[i]<<' ';
fout<<'\n';
}
void bkt(int k)
{if (k>n)
afisare();
else
{int i;
for (i=1;i<=n;i++)
if (!ok[i])
ok[i]=1,v[k]=i;bkt(k+1),ok[i]=0;
}
}
int main()
{fin>>n;
bkt(1);
}