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#include <fstream>
#include <iostream>
#include <cassert>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n , m , x[20];
void afis(int n){
for(int i=1 ; i<=n ; ++i)
fout << x[i] << " ";
fout << endl;
}
void back(int k){
for(int i=x[k-1]+1;i<=n;++i)
{
x[k]=i;
if(k==m)
afis(m);
else
back(k+1);
}
}
int main(){
fin >> n >> m;
back(1);
return 0;
}