#include <fstream>
#define x int
std::ifstream f("combinari.in");std::ofstream g("combinari.out");x a[17],n,k,s=0;void z(){for(x i=1;i<=n;i++)if(a[i])g<<i<<" ";g<<"\n";}void p(x w){if(s>k)return;if(w==n+1){if(s==k)z();}else{a[w]=1;s++;p(w+1);s--;a[w]=0;p(w+1);}}x main(){f>>n>>k;p(1);}