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#include <bits/stdc++.h>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
vector<int> v;
void comb(int n, int k)
{
v.resize(k);
int i;
i=0;
v[i]=0;
while(i>=0)
{
while(v[i]<n)
{
v[i]++;
if(i==k-1)
{
for(auto a:v)
g<<a<<' ';
g<<'\n';
}
else
{
i++;
v[i]=v[i-1];
}
}
i--;
}
}
int main()
{
int n, k;
f>>n>>k;
comb(n, k);
f.close();
g.close();
return 0;
}