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#include <bits/stdc++.h>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int n, k, sol[20];
void afis()
{
for(int i = 1; i <= k; ++i) g << sol[i] << " ";
g << '\n';
}
void bkt(int nivel)
{
if(nivel == 1)
{
for(int i = 1; i <= n; ++i)
{
sol[nivel] = i;
bkt(nivel + 1);
}
}
else
{
for(int i = sol[nivel - 1] + 1; i <= n; ++i)
{
sol[nivel] = i;
if(nivel == k) afis();
else bkt(nivel + 1);
}
}
}
int main()
{
f >> n >> k;
bkt(1);
return 0;
}