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#include <fstream>
#include <cstring>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int n,fr[10],x[10];
void back(int pas)
{
if(pas==n+1)
{
for(int i=1;i<=n;i++)
cout<<x[i]<<" ";
cout<<'\n';
}
else
{
for(int i=1;i<=n;i++)
if(fr[i]==0)
{
fr[i]=1;
x[pas]=i;
back(pas+1);
fr[i]=0;
}
}
}
int main()
{
cin>>n;
back(1);
return 0;
}