// No.56 消費税
package main

import (
	"fmt"
	"math"
)

func main() {
	var d, p int
	fmt.Scan(&d, &p)

	z := func() float64 {
		if p == 0 {
			return 1.0
		} else {
			return 1.0 + (float64(p) / 100)
		}
	}()
	fmt.Println(math.Floor((float64(d) * z * 100) / 100))
}