~PascalABC.NET
begin
var a := ReadInteger2('Введите a и b:');
write('y = ', (a[0] + a[1])*(a[0] + a[1]) / (2*a[0]));
end.
program formula;
var
a,b:integer;
y:real;
begin
write('Введите а》');
read(a);
write('Введите b》');
read(b);
y:=sqr(a+b)/(2*a);
write('y=',y);
readln;
end.
