#include <cstdio>

const char FIN[] = "combinari.in";
const char FOU[] = "combinari.out";

int N, K;
int V[20];

void scrie( int k )
{
    for ( int i = 1; i <= k; ++i) printf("%d ", V[i]);
    printf("\n");
}

void comb( int k )
{
    if ( K == k ) scrie( k );
    else
        for ( int i = V[k] + 1; i <= N; ++i)
             V[k + 1] = i, comb(k + 1);
}

int main()
{
    freopen(FIN, "r", stdin);
    freopen(FOU, "w", stdout);

    scanf("%d %d", &N, &K);

    comb ( 0 );

    return 0;
}