function Main(input) {
    var inputArr = input.split(' ');
    var price = +inputArr[0];
    var rate = +inputArr[1];

    var tmp = Math.floor(price + price * rate * 0.01)
    var ans = tmp;

    console.log(ans);
}

// Don't edit this line!
Main(require("fs").readFileSync("/dev/stdin", "utf8"));