Three Largest Numbers

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class ThreeLargestNumbers {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        input.nextLine();
        ArrayList<BigDecimal> numbers = new ArrayList<>();
        for (int i = 0; i < n; i++){
            String tempNum = input.nextLine();
            BigDecimal temp = new BigDecimal(tempNum);
            numbers.add(temp);
        }
        if (n == 1){
            System.out.println(numbers.get(0).toPlainString());
            return;
        }
        else if (n == 2){
            BigDecimal largest = Collections.max(numbers);
            System.out.println(largest.toPlainString());
            for (int i = 0; i < numbers.size(); i++){
                if (numbers.get(i)==largest){
                    numbers.remove(i);
                    System.out.println(Collections.max(numbers).toPlainString());
                    return;
                }
            }
        }
        for (int i = 0; i < 3; i++){
            BigDecimal currentLargest = Collections.max(numbers);
            System.out.println(currentLargest.toPlainString());
            for (int j = 0; j < numbers.size(); j++){
                if (numbers.get(j)==currentLargest){
                    numbers.remove(j);
                    if (numbers.size() > 0){
                        currentLargest = Collections.max(numbers);
                        break;
                    }
                    else{
                        return;
                    }
                }
            }
        }
    }
}