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#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,v[20],niv;
void write()
{
for(int i=1;i<=niv;i++)
fout<<v[i]<<" ";
fout<<'\n';
}
bool valid(int k)
{
for(int i=1;i<k;i++)
if(v[i]>=v[k])
return false;
return true;
}
void backtrack(int k)
{
for(int i=1;i<=n;i++)
{
v[k]=i;
if(valid(k))
if(k==niv) write();
else backtrack(k+1);
}
}
int main()
{
fin>>n>>niv;
backtrack(1);
return 0;
}