BigINTJava.txt

    import java.math.BigInteger;
    import java.util.Scanner;
     
    public class Main {
        public static void main(String[] args) {
     
            Scanner in = new Scanner(System.in);
            while (in.hasNext()) {  //this works as (scanf("%d",&num)!=EOF)
               
     
                BigInteger num = BigInteger.ZERO;  //initializing the variable with zero
                BigInteger num2 = BigInteger.ZERO;
                BigInteger num3 = BigInteger.ONE;
                BigInteger num4 = BigInteger.ZERO;
     
                num = in.nextBigInteger();  //taking the input
                num2 = in.nextBigInteger();
               
                num3 = num.add(num2); //addition num3 = num + num2;
                System.out.println("Sum: " + num3);
                num4 = num.subtract(num2);  //subtraction num3 = num - num2;
                System.out.println("Difference: " + num4);
     
     
               
            }
        }
    }