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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("combinari.in");
ofstream fout ("combinari.out");
int n, k, v[20];
void print()
{
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) print();
else bkt(x+1);
}
}
int main()
{
fin >> n >> k;
bkt(1);
fin.close();
fout.close();
return 0;
}