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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int st[102], viz[102], n;
void permutari (int k)
{
int i;
if(k==n+1)
{
for(i=1; i<=n; i++)
{
fout<<st[i]<<" ";
}
fout<<"\n";
}
else
{
for(i=1; i<=n; i++)
{
if(viz[i]==0)
{
st[k]=i; viz[i]=1;
permutari(k+1);
viz[i]=0;
}
}
}
}
int main()
{
fin>>n; permutari(1);
fout.close();
return 0;
}