function main(input = ``) {
  let lines = input.split('\n');

  let [price, taxRate] = lines[0].split(' ').map((val) => parseInt(val));

  return `${Math.floor((price * (1 + taxRate / 100)).toFixed(2))}`;
}

const { readFileSync, existsSync } = require('fs');
const stdin = '/dev/stdin';

if (existsSync(stdin)) {
  const input = readFileSync(stdin, 'utf8');
  console.log(main(input));
}

module.exports = main;