#include <iostream>
using namespace std;
freopen("combinari.in","r",stdin);
freopen("combinari.out","w",stdout);
int n,m,x[10];
void afisare(){
for(int i=1;i<=m;i++) cout << x[i] << " ";
cout << "\n";
}

void comb(int k){
int i;
if(k==m+1) afisare();
else for(i=x[k-1]+1;i<=n-m+k;++i) {
    x[k]=i;comb(k+1);
}
}

int main(){
cin >> n >> m;
comb(1);
return 0;
}