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#include <fstream>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int n, m;
int v[11], a[11];
void afis()
{
for(int i=1; i<=m; i++)
g<<v[i]<<" ";
g<<'\n';
}
int bkt(int x)
{
for(int i=x; i<=n; i++)
if(a[i]==0 && v[x-1]<i)
{
v[x]=i;
a[i]=1;
if(x==m)
afis();
else
bkt(x+1);
a[i]=0;
}
}
int main()
{
f>>n>>m;
bkt(1);
}