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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("combinari.in");
ofstream fout ("combinari.out");
int k, n, v[16];
void afisare()
{
for(int i=1; i<=k; i++)
fout<<v[i]<<" ";
fout<<'\n';
}
void bkt(int x)
{
for(int i=v[x-1]+1; i<=n; i++)
{
v[x]=i;
if(x==k)
afisare();
else
bkt(x+1);
}
}
int main()
{
fin>>n>>k;
bkt(1);
return 0;
}