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