Какие разновидности информационных моделей вам известны?

var i,s: integer;

begin

writeln('summa ');

for i: =100 to 999 do

if i mod 17 =0 then s: =s+i else s: =s+0;

writeln(s)

end.

program msd; uses crt; var a,l,proiz,b,i: longint; beginclrscr; readln(a); proiz: =1; while true do beginl: =a mod 10; a: = a div 10; if odd(l) = true thenproiz: =proiz*lelseb: =b+1; i: =i+1; if a = 0 then break; end; if b = i then writeln('0')elsewriteln(proiz); if (proiz> 99) and (proiz< 1000) then writeln('da')else writeln('net'); readkey; end.