Servo order

Here is code,so how i can control them?

 #include <VarSpeedServo.h>

#include <Ultrasonic.h>


// Pins used by your servos. Adjust according to your connections.
#define pin_servo1 6
#define pin_servo2 7

// Pins used by your ultrasonic sensors. Adjust according to your connections.
#define pin_trigger1 11
#define pin_trigger2 13
#define pin_echo1 10
#define pin_echo2 12

float v1_dist_cm, v1_dist_in, v2_dist_cm, v2_dist_in;

VarSpeedServo vaks;
VarSpeedServo sedeklis;
Ultrasonic ultra1(pin_trigger1, pin_echo1);
Ultrasonic ultra2(pin_trigger2, pin_echo2);

void setup()
{
     vaks.attach(pin_servo1);
     sedeklis.attach(pin_servo2);

     sedeklis.write(0,255,true);
     vaks.write(155,255,true);

}

void loop()
{
  // Read ultrasonic values
   long microsec1 = ultra1.timing();
   long microsec2 = ultra2.timing();

   // Distance in inches and in centimeters
   v1_dist_cm = ultra1.convert(microsec1, Ultrasonic::CM);
   v1_dist_in = ultra1.convert(microsec1, Ultrasonic::IN);
   v2_dist_cm = ultra2.convert(microsec2, Ultrasonic::CM);
   v2_dist_in = ultra2.convert(microsec2, Ultrasonic::IN);

   // According to your readings, you move the servos:



 if (v1_dist_cm > 10 && v2_dist_cm <= 10) {
  vaks.write(64,50,true);
  delay(100);
  sedeklis.write(90,50,true);
  delay(20000);
 }
 
 else {
  delay(100);
  sedeklis.write(0,30,true);
  vaks.write(155,30,true);
 }




   if (v1_dist_cm <= 10 && v2_dist_cm > 10) {
      vaks.write(64,50,true);
      delay(20000);
      
   }


else  { 
    vaks.write(155,30,true);


  }

}