begin
var x, y: real;
Write('x= ');
Read(x);
if x < 5
then y := 25 * x - 124
else if x > 9
then y := 22 * Sqrt(x)
else y := 6 * Sqrt(25 * x) + 2;
Writeln('y= ', y);
end.
begin
var x, y: real;
Write('x= ');
Read(x);
if x < 5
then y := 25 * x - 124
else if x > 9
then y := 22 * Sqrt(x)
else y := 6 * Sqrt(25 * x) + 2;
Writeln('y= ', y);
end.