program zadacha;
var
x,y,rezult: real;
begin
writeln('x=');
readln(x);
//x:= 4;
Writeln('y=');
readln(y);
//y:=2;
if x>y then
begin
rezult:=2*(x*y);
y:=(y+x)/2;
end;
if x<y then
begin
y:=2*(x*y);
x:=(y+x)/2;
end
else
begin
writeln('x == y');
end;
writeln('y=',y:5:3);
writeln('x=',rezult:4:4);
//readln();
end.
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