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#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int mod = 1999999973;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k;
int rez[101],f[101];
void back(int poz){
if(poz==k+1){
for(int i = 1; i <=k; i++)
fout<<rez[i]<<" ";
fout<<'\n';
} else{
for(int i = rez[poz-1]+1; i <= n; i++){
if(f[i]==0){
f[i]=1;
rez[poz]=i;
back(poz+1);
f[i]=0;
}
}
}
}
int main(){
fin>>n>>k;
back(1);
return 0;
}