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  import java.math.BigInteger;
 
 public class Main {
 public static void main(String[] args) {
 BigInteger numberA = new BigInteger("98765432123456789");
 BigInteger numberB = BigInteger.TEN;
 
 numberA = numberA.add(numberB);
 System.out.println("numberA = " + numberA);
 
 numberA = numberA.multiply(numberB);
 System.out.println("numberA = " + numberA);
 
 numberA = numberA.subtract(numberB);
 System.out.println("numberA = " + numberA);
 
 numberA = numberA.divide(numberB);
 System.out.println("numberA = " + numberA);
 
 numberA = numberA.mod(numberB);
 System.out.println("numberA = " + numberA);
 
 numberA = numberA.pow(2);
 System.out.println("numberA = " + numberA);
 
 numberA = numberA.negate();
 System.out.println("numberA = " + numberA);
 }
 }
 
 
 
 
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