#include <bits/stdc++.h>
#define maxN 20

FILE *fin  = freopen("combinari.in", "r", stdin);
FILE *fout = freopen("combinari.out", "w", stdout);

using namespace std;
int N, K, c[maxN];

void write(){
    for(int i = 1; i <= K; ++ i)
        printf("%d ", c[i]);
    printf("\n");
}

void comb(int k){
    if(k > K)
        write();
    else for(int i = c[k - 1] + 1; i <= N; ++ i){
            c[k] = i;
            comb(k + 1);
    }
}
int main(){
    scanf("%d %d", &N, &K);
    comb(1);
    return 0;
}