var
y, x :integer;
begin
x:=2;
while x<=8 do begin
y := 2*x + 3;
writeln('x=', x, ' y=', y);
x := x+3;
end;
end.
var
y, x :integer;
begin
x:=2;
while x<=8 do begin
y := 2*x + 3;
writeln('x=', x, ' y=', y);
x := x+3;
end;
end.