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#include <bits/stdc++.h>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int v[20],k,n,m,aux[20];
void afisare() {
for(int i=1;i<=m;i++)
aux[i]=v[i];
sort(aux+1,aux+1+m);
for(int i=1;i<=m;i++)
out<<aux[i]<<" ";
out<<'\n';
}
int bt(int k)
{
for(int i=v[k-1]+1;i<=n;i++) {
v[k]=i;
if(k==m)
afisare();
else
bt(k+1);
}
}
int main() {
in>>n>>m;
bt(1);
}