program PS;

var
n, i: integer;
b: real;
a: array[1..3] of real;
otoplenie: boolean;

begin
read(n);
for i := 1 to 3 do
a[i] := random(50) - 20 + random( );
for i := 1 to n do
begin
if (a[1] > 15) and (a[2] > 15) and (a[3] > 15) and (otoplenie = true) then
otoplenie := false;
if(a[1] < 10) and (a[2] < 10) and (a[3] < 10) and (otoplenie = false) then
otoplenie := true;
a[1] := a[2];
a[2] := a[3];
a[3] := random(50) - 20 + random( );
write(a);
end;
end.
Проблема вывода массива и результата