uses GraphABC;
var x:integer;
begin
SetWindowWidth(300);
SetWindowHeight(300);
x:=15;
while x<300 do
circle (x,15,15);
circle (x,285,15);
circle (15,x,15);
circle (285,x,15);
x:=x+30
end;
end.
uses GraphABC;
var x:integer;
begin
SetWindowWidth(300);
SetWindowHeight(300);
x:=15;
while x<300 do
begin
circle (x,15,15);
circle (x,285,15);
circle (15,x,15);
circle (285,x,15);
x:=x+30
end;
end.