public class AriDemo
{
  public static void main(String args[])
  {
    int x,y,z,a,b;
    a=13;
    b=7;
    x=a%b;
    y=5+(++a);
    z=8+--b;
    System.out.println("x="+x);
    System.out.println("y="+y);
    System.out.println("z="+z);
  }
}