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#include <iostream>
#include <fstream>
using namespace std;
int n,k,v[50];
ifstream fin("combinari.in");
ofstream fout("combinari.out");
void afiseaza() {
for (int i=1; i<=k; i++)
fout << v[i] << ' ';
fout << '\n';
}
void back(int x) {
for (int i=v[x-1]+1; i<=n; i++){
v[x] = i;
if (x==k) afiseaza();
else back(x+1);
}
}
int main()
{
fin >> n >> k;
back(1);
return 0;
}