Problem:
Debt Hell

Your friend who lives in undisclosed country is involved in debt. He is borrowing 100,000-yen from a loan shark. The loan shark adds 5% interest of the debt and rounds it to the nearest 1,000 above week by week.

Write a program which computes the amount of the debt in n weeks.

Input

An integer n (0 ≤ n ≤ 100) is given in a line.

Output

Print the amout of the debt in a line.

Sample Input

5

Output for the Sample Input

130000

Solution in JAVA (judge verdict: Accepted)

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.BigDecimal;

public class Main {

    public static void main(String[] args) throws Exception {
        //?????????
        final BigDecimal TAX_RATE = new BigDecimal("0.05");
        //?????°?????????????????????????????¨??????
        final int ROUND_UP_FRACTION = 1000;
        //???????????????????????????10???
        int deptLeft = 100000;

        BufferedReader reader = new BufferedReader(new InputStreamReader(
                System.in));
        int countWeeks = Integer.parseInt(reader.readLine());
        //1??±??????????????¨??????????????????????????????????????????????¨??????????
        for (int count = 1; count <= countWeeks; count++) {
            deptLeft = BigDecimal.valueOf(deptLeft)
                    .add(BigDecimal.valueOf(deptLeft).multiply(TAX_RATE))
                    .intValue();
            //1000?????????????????????????????????
            if (deptLeft % ROUND_UP_FRACTION != 0) {
                deptLeft = deptLeft
                        + (ROUND_UP_FRACTION - deptLeft % ROUND_UP_FRACTION);
            }
        }
        System.out.println(deptLeft);
    }
}