var i, j: char; begin for i := 'A' to 'Z' do begin write('A':(26 - ord(i) + ord('A'))); for j:= 'B' to i do write(j:2); writeln; end; end.
Standard input is empty
A A B A B C A B C D A B C D E A B C D E F A B C D E F G A B C D E F G H A B C D E F G H I A B C D E F G H I J A B C D E F G H I J K A B C D E F G H I J K L A B C D E F G H I J K L M A B C D E F G H I J K L M N A B C D E F G H I J K L M N O A B C D E F G H I J K L M N O P A B C D E F G H I J K L M N O P Q A B C D E F G H I J K L M N O P Q R A B C D E F G H I J K L M N O P Q R S A B C D E F G H I J K L M N O P Q R S T A B C D E F G H I J K L M N O P Q R S T U A B C D E F G H I J K L M N O P Q R S T U V A B C D E F G H I J K L M N O P Q R S T U V W A B C D E F G H I J K L M N O P Q R S T U V W X A B C D E F G H I J K L M N O P Q R S T U V W X Y A B C D E F G H I J K L M N O P Q R S T U V W X Y Z