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#include <bits/stdc++.h>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int v[20];
int n,m;
void afisare(){
for(int i = 1; i <= m; i++){
fout<<v[i]<<' ';
}
fout<<'\n';
}
void backtr(int k){
int i;
for(i = v[k-1]+1; i <= n; i++){
v[k]=i;
if(k < m){
backtr(k+1);
}else if(k==m){
afisare();
}
}
}
int main() {
fin>>n>>m;
backtr(1);
return 0;
}