Java program which add two numbers and terminates only when user press 0

import java.util.*;
class sum
{
public static void main (String arg[])
{
Scanner in=new Scanner (System.in);
int a,b,p,l=1;
while (l!=0 && l==1)
{
System.out.print ("\n\t Enter first number = ");
a=in.nextInt();
System.out.print ("\n\t Enter second number = ");
b=in.nextInt();
p=a*b;
System.out.println ("\n\t Product of the numbers = "+p);
System.out.print ("\n\t Enter 0 to terminate and 1 to re-run the program = ");
l=in.nextInt();
}
if (l==2)
System.out.println ("\n\t Your program has some logical error");
else
System.out.println ("\n\t Program has been terminated");
}
}