#include <stdio.h>

int S[20],N,K;

void Solve(int it)
{
    for (int i = S[it-1]+1;i <= N;i++)
    {
        S[it] = i;
        if (it < K)
                Solve(it+1);
        if (it == K)
        {
            for (int i = 1;i <= K; i++)
                 printf("%d ",S[i]);
             printf("\n");
        }
    }
}

int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
     scanf("%d %d",&N,&K);
     S[0] = 0;
     Solve(1);

    return 0;
}