Simple interest program for blueJ

Simple interest 

import java.util.*;

class simpleinterest

{

public static void main(String args[])

{

Scanner sc=new Scanner(System.in);

int p,r,t,i,a;

System.out.println("Enter principle");

p=sc.nextInt();

System.out.println("Enter rate");

r=sc.nextInt();

System.out.println("Enter time");

t=sc.nextInt();

i=(p*r*t)/100;

System.out.println("Interest is "+i);

a=p+i;

System.out.println("Amount is "+a);

}

}