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#include <iostream>
#include <fstream>
std::ifstream f("combinari.in");
std::ofstream g("combinari.out");
using namespace std;
int n,k, sol[1000];
void afisare()
{
for(int i = 1; i <= k; i++)
g<<sol[i]<<" ";
g<<'\n';
}
void bk(int p)
{
for(int i = sol[p - 1] + 1; i <= n; i++)
{
sol[p] = i;
if(p < k)
bk(p + 1);
else afisare();
}
}
int main()
{
f>>n>>k;
bk(1);
return 0;
}