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#include <cstdio>
using namespace std;
int n, k;
int st[19];
void afisare()
{
int i;
for(i=1;i<=k;i++)
printf("%d ", st[i]);
printf("\n");
}
void bkt(int s)
{
int i;
if(s==k+1){
afisare();
return;
}
for(i=s;i<=n-k+s;i++){
if(st[s-1]<i){
st[s]=i;
bkt(s+1);
}
}
}
int main()
{
freopen("combinari.in", "r", stdin);
freopen("combinari.out", "w", stdout);
scanf("%d%d", &n, &k);
bkt(1);
return 0;
}