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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int sol[10],n;
void afis(int k)
{ for(int i=1;i<=k;i++)
g<<sol[i];
g<<'\n';
}
int valid(int k)
{ int ok=1;
for(int i=1;i<k;i++)
if(sol[k]<=sol[i])
return 0;
return 1;
}
void bkt(int k)
{
for(int i=1;i<=n;i++)
{ sol[k]=i;
if(valid(k))
{ afis(k);
bkt(k+1);
}
}
}
int main()
{
f>>n;
bkt(1);
return 0;
}