const
e = 2.718;
var
y, x: real;
begin
writeln('Введите значение x:');
write('x = ');
read(x);
if x = 2 then
begin
y := e * e * e * e;
writeln('y = ', y:0:3);
end
else
begin
if (x < 2) then
y := 4 * x * x - 7;
if (x > 2) then
y := abs(x - 1);
writeln('y = ', y);
end;
end.
