How to use the accelerometer- gyroscope GY-521

1#include<Wire.h>
2const int MPU=0x68; 
3int16_t AcX,AcY,AcZ,Tmp,GyX,GyY,GyZ;
4
5void  setup(){
6  Wire.begin();
7  Wire.beginTransmission(MPU);
8  Wire.write(0x6B);  
9  Wire.write(0);    
10  Wire.endTransmission(true);
11  Serial.begin(9600);
12}
13void  loop(){
14  Wire.beginTransmission(MPU);
15  Wire.write(0x3B);  
16  Wire.endTransmission(false);
17  Wire.requestFrom(MPU,12,true);  
18  AcX=Wire.read()<<8|Wire.read();    
19  AcY=Wire.read()<<8|Wire.read();  
20  AcZ=Wire.read()<<8|Wire.read();  
21  GyX=Wire.read()<<8|Wire.read();  
22  GyY=Wire.read()<<8|Wire.read();  
23  GyZ=Wire.read()<<8|Wire.read();  
24  
25  Serial.print("Accelerometer: ");
26  Serial.print("X = "); Serial.print(AcX);
27  Serial.print(" | Y = "); Serial.print(AcY);
28  Serial.print(" | Z = ");  Serial.println(AcZ); 
29  
30  Serial.print("Gyroscope: ");
31  Serial.print("X  = "); Serial.print(GyX);
32  Serial.print(" | Y = "); Serial.print(GyY);
33  Serial.print(" | Z = "); Serial.println(GyZ);
34  Serial.println(" ");
35  delay(333);
36}