#include <bits/stdc++.h>
using namespace std;
inline char to_char(int x){return x<=9?x+'0':x-10+'A';}
int main()
{
    int n,B;scanf("%d%d",&n,&B);
    vector< vector<string> > ans(n);
    string empty="";
    for(int i=0;i<B;++i)ans[0].push_back(empty+to_char(i));
    for(int i=1;i<n;++i)
        for(int j=0;j<B;++j)
        {
            for(auto it=ans[i-1].begin();it!=ans[i-1].end();++it)
                ans[i].push_back(to_char(j)+*it);
            reverse(ans[i-1].begin(),ans[i-1].end());
        }
    for(auto it=ans[n-1].begin();it!=ans[n-1].end();++it)
        cout<<*it<<"\n";
    return 0;
}