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#include<stdio.h>
using namespace std;
int x[20], uz[20], n, k;
/*int verif(int p)
{
int i;
for(i = 1; i < p ; i++)
if(x[i] >= x[p])
return 0;
return 1;
}*/
void afis()
{
int i;
for(i = 1; i <= k; i++)
printf("%d ",x[i]);
printf("\n");
}
void backt(int p)
{
int i;
if(p == k)
afis();
else
for(i = x[p] + 1; i <= n; i++)
{
x[p + 1] = i;
backt(p + 1);
}
}
int main()
{
freopen("combinari.in","r",stdin);
freopen("combinari.out","w",stdout);
scanf("%d %d", &n, &k);
x[0] = 0;
backt(0);
fclose(stdin);
fclose(stdout);
return 0;
}