найти и напечатать u = min{x+y, xy}

var x,y,u:real;
function min(a,b:real):real;
begin
if a>b then min:=b else min:=a;
end;
begin
write('x=');read(x);
write('y=');read(y);
u:=min(x+y,x*y);
writeln(u);
end.

///Pascal abc)