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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 afish()
{
for(int i=1; i<=n; i++)
fout<<a[i]<<" ";
fout<<"\n";
}
void back(int k)
{
if(k>n)
{
afish();
}
else
{
for(int i=1; i<=n; i++)
if(!viz[i])
{
viz[i]=1;
a[k]=i;
back(k+1);
viz[i]=0;
}
}
}
int main()
{ fin>>n;
back(1);
return 0;
}