#include <stdio.h>

int n, m;
int x[20];
int s[20];

void Back(int k);
void Write();

int main()
{
    freopen("combinari.in", "r", stdin);
    freopen("combinari.out", "w", stdout);
    scanf("%d %d", &n, &m);
    Back(1);
    
    return 0;
}

void Back(int k)
{
    for ( int i = x[k-1]+1; i <= n; i++ )
    {
        x[k] = i;
        if ( !s[i] )
        {
            s[i] = 1;
            if ( k == m ) Write();
            else          Back(k+1);
            s[i] = 0;
        }
    }
}

void Write()
{
    for ( int i = 1; i < m; i++ )
        printf("%d ", x[i]);
    printf("%d\n", x[m]);
}