package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

func main() {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)
	sc.Scan(); d, _ := strconv.Atoi(sc.Text())
	sc.Scan(); p, _ := strconv.Atoi(sc.Text())

	ans := int(float64(d * (100 + p)) / 100);
	fmt.Println(ans)
}