//入力文字読み取り
    process.stdin.resume();
    process.stdin.setEncoding('utf8');
    process.stdin.on('data', function (chunk) {


        //すべて受け取り改行で区切って格納
        var inputAllLines = chunk.split(" ");
        //商品
        var product = Number(inputAllLines[0])
        //消費税
        var tax = Number(inputAllLines[1])

        //消費税の計算
        consumptiontax = product * tax / 100
        var result = Math.floor(product + consumptiontax)

        console.log(result)
    });