题解 | #你能活多少秒#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int age = scanner.nextInt();
        double seconds = 3.156*Math.pow(10,7)*age;
        System.out.println((long) seconds);
    }
}