View Code of Problem 3497

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        while(sc.hasNextBigInteger()){
            BigInteger a=sc.nextBigInteger();
            BigInteger b=sc.nextBigInteger();
            BigInteger c=sc.nextBigInteger();
            BigInteger temp=new BigInteger("0");
            for(int i=3;i<=99;i++) {
                temp=a.add(b).add(c);
                a=b;
                b=c;
                c=temp;
            }
            System.out.println(temp);

        }
    }
}

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