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#include <fstream>
using namespace std;
ifstream cin("permutari.in");
ofstream cout("permutari.out");
int x[9],n;
int cont(int k)
{
for(int i=1;i<=k-1;i++)
if(x[k]==x[i])
return 0;
return 1;
}
void tipar(int k)
{
for(int i=1;i<=k;i++)
{
cout<<x[i]<<" ";
}
cout<<"\n";
}
void back()
{
int k=1;
x[k]=0;
while(k>0)
if(x[k]<n){
x[k]=x[k]+1;
if(cont(k)){
if(k==n)
tipar(k);
else{
k++;
x[k]=0;
}
}
}
else
k--;
}
int main()
{
cin>>n;
back();
return 0;
}