COMMENT ā VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 program nb(output) C00003 ENDMK Cā; program nb(output); var r,c:integer; begin for r:=0 to 10 do begin for c:=1 to 15 do if c<=5 then write('A')else write('B'); writeln end end.