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#include <fstream>
using namespace std;
ifstream cin("combinari.in");
ofstream cout("combinari.out");
int n;
int a[19],b[19];
void backtracking(int poz, int m, int n)
{
if(poz-1==n)
{
for(int i=1; i<=n; i++)
cout<<a[i]<<" ";
cout<<'\n';
}
else
{
for(int i=1; i<=m; i++)
if(!b[i] && a[poz-1]<i)
{
a[poz]=i;
b[i]=1;
backtracking(poz+1, m, n);
b[i]=0;
}
}
}
int main() {
int n, k;
cin>>n>>k;
backtracking(1, n, k);
return 0;
}