#include <cstdio>

int limit[20];
int sol[20];

int main(){
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);

int n,k,i;
    scanf("%d %d",&n,&k);

for(i=1;i<=k;++i) sol[i]=i;
for(i=k;i>0;--i) limit[i]=n+i-k;

while(1)
{ for(i=1;i<k;++i) printf("%d ",sol[i]);
printf("%d\n",sol[i]);
    for(i=k;i>0 && sol[i]==limit[i];--i);
sol[i]++;
if(!i) break;
for(++i;i<=k;++i) sol[i]=sol[i-1]+1;
}


return 0;
}