const n=20;var a:array[1..n] of integer; m:array[2..5] of byte;i,k:integer;beginRandomize;writeln('Оценки:');for i:=1 to n do begin a[i]:=random(4)+2; write(a[i],' '); end;writeln;for i:=1 to n do inc(m[a[i]]);writeln('Статистика:');for i:=2 to 5 do writeln(i,' - ',m[i]);end.