#include <stdio.h>
#include <stdlib.h>
#define MAXN 1000000

#define BUF_SIZE 16384
char buf[BUF_SIZE];
int pbuf=BUF_SIZE;
FILE*fi,*fo;
inline char nextch(){
    if(pbuf==BUF_SIZE){
        fread(buf, BUF_SIZE, 1, fi);
        pbuf=0;
    }
    return buf[pbuf++];
}
inline long long nextnum(){
    long long a=0;
    char c=nextch();
    while((c<'0' || c>'9') && c!='-')
        c=nextch();
    int semn=1;
    if(c=='-'){
        semn=-1;
        c=nextch();
    }
    while('0'<=c && c<='9'){
        a=a*10+c-'0';
        c=nextch();
    }
    return a*semn;
}

int stiva[20], n, k;
void bkt(int poz, int prev){
    if(poz==k+1){
        for(int i=1;i<=k;i++)
            fprintf(fo,"%d ", stiva[i]);
        fprintf(fo,"\n");
    }
    else{
        for(int i=prev+1;i<=n;i++){
            stiva[poz]=i;
            bkt(poz+1, i);
        }
    }
}

int main(){
    fi=fopen("combinari.in","r");
    fo=fopen("combinari.out","w");
    n=nextnum();
    k=nextnum();
    bkt(1, 0);
    fclose(fi);
    fclose(fo);
    return 0;
}