Turning on led while servo is moving

consider

#include <Servo.h>
Servo myservo;

int pos = 0;
int dir = 1;

const int LED1 = 13; // leg for 0 ged
const int LED2 = 12; // leg for 180 deg

void setup() {
    myservo.attach(9);
    pinMode(LED1, OUTPUT);
    pinMode(LED2, OUTPUT);
}

void loop() {
    pos += dir;
    myservo.write(pos);

    if (180 <= pos)  {
        dir = -dir;
        digitalWrite (LED1, HIGH);
        digitalWrite (LED2, LOW);
    }
    else if (0 >= pos)  {
        dir = -dir;
        digitalWrite (LED1, LOW);
        digitalWrite (LED2, HIGH);
    }

    delay (15);
}