include[HTML_REMOVED]
using namespace std;
int main()
{
int N,M;
cin>>N>>M;
int O=1;
for(int i=1;i<=N;i++)
{
for(int j=1;j<=M;j++)
{
if(j%M==0) cout<<"PUM";
else cout<<O<<" ";
O++;
}
cout<<endl;
}
return 0;
}