Sgu 112 a ^ B-B ^

Java large number ....

A ^ B-B ^ Time limit:250 ms   Memory limit:4096kb   64bit Io format:% I64d & % i64u [Submit] [Go Back] [Status] Description You are given natural numbers A and B. Find AB-ba. Input Input contains numbers a and B (1 ≤a, B ≤100 ). Output Write answer to output. Sample Input 2 3 Sample output -1 Source [Submit] [Go Back] [Status]

import java.util.*;import java.math.*;public class Solution{public static void main(String[] args){Scanner cin=new Scanner(System.in);BigInteger a,b;int A,B;while(cin.hasNextInt()){A=cin.nextInt();B=cin.nextInt();a=BigInteger.valueOf(A);b=BigInteger.valueOf(B);BigInteger c=BigInteger.ZERO;c=a.pow(B).subtract(b.pow(A));System.out.println(c);}}}