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#include<iostream>
using namespace std;
int n,x[10];
void afis(int k){
for(int i=1 ; i<=k ; ++i)
cout << x[i] << " ";
cout << endl;
}
bool valid(int k){
if(k == 1)
return true;
if(x[k] > x[k-1])
return true;
return false;
}
void back(int k){
for(int i=1;i<=n;++i)
{
x[k]=i;
if(valid(k))
{
afis(k);
back(k+1);
}
}
}
int main ()
{
cin>>n;
back(1);
return 0;
}