Accelerometer data

Cant you see the diffrents? its not like 430 and 431.
Any way i changed it:

long val;
int x,y,z;
void setup()
{
  Serial.begin(9600);
}

void loop()
{
  x = analogRead(0);
    y = analogRead(1);
      z = analogRead(2);
val =x * 1000000 + y * 1000+ z;
Serial.print (val);
Serial.print(" x: ");
Serial.print(x);
Serial.print(" y: ");
Serial.print(y);
Serial.print(" z: ");
Serial.println(z);
}

//

and the output is:

446981567 x: 447 y: 702 z: 463
445981568 x: 446 y: 702 z: 464
446981567 x: 447 y: 702 z: 463
446980567 x: 447 y: 701 z: 463
// 446 980 567 x: 447 y: 701 z: 463