rambless

import java.util.*;
import java.math.BigDecimal;
import java.math.RoundingMode;

// 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 in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNext()) { // 注意 while 处理多个 case
            BigDecimal high = new BigDecimal(in.next());
            BigDecimal len = high;

            for(int i=0; i<4; i++) {
                high = high.divide(new BigDecimal(2))
                    .setScale(6, RoundingMode.HALF_UP);
                len = len.add(high).add(high);
            }
            System.out.println(len);
            System.out.println(high.divide(new BigDecimal(2))
                .setScale(6, RoundingMode.HALF_UP));
        }
    }
}