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