Program to display Intermediate values until number converges to 1

import java.io.DataInputStream;   // to load DataInputStream class 


class P20
{
public static void main(String args[])
{
int x, p = 0, count  = 0;
boolean exp=true;


// creating object of class DataInputStream.
                DataInputStream in = new DataInputStream(System.in); 


       try
      {


System.out.print("Enter a number  : ");
x = Integer.parseInt(in.readLine());

while(exp)
{
if (x%2==0)
x=x/2;

else
x=x*3+1;
p=x;
count=count+1;
System.out.println(" Number After "+count+" iteration is "+x);
if(p!=1)
exp=true;
else if (p==1)     
exp=false;
    


}
System.out.println("\nTotal Number of iterations : "+count);
}
catch(Exception e) {  System.out.println("I/O Error");   }
}
}


/* This program might give some Note at compile time, ignore it and go ahead. */