/*Copyright ElohimTov LLC*/


/*
//Name: ElohimTov Solve Code - Operators - Javascript Solution
//Problem: HackerRank - 30 Days of Code - Operators
//Current File: ElohimTovSolve_Operators.(js).txt
//Compile-able File: ElohimTovSolve_Operators.js
//File: ElohimTovSolve_Operators.js.txt
//Date: 11/05/2018
//Tale: ElohimTov Solve's Solution to HackerRank.com's
//	Operators problem, in Javascript programming language.
// 	Problem link at https://elohimtov.com/elohimtov.info.
*/


'use strict';


/*
//CREDIT: The following process.stdin code was provided by HackerRank.com
*/
/***process.stdin code begins***/
process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', inputStdin => {
    inputString += inputStdin;
});

process.stdin.on('end', _ => {
    inputString = inputString.replace(/\s*$/, '')
        .split('\n')
        .map(str => str.replace(/\s*$/, ''));

    main();
});
/***process.stdin code ends***/


function readLine()
{
    return inputString[currentLine++];
}//ends function readLine


/* Complete the solve function below. */
function solve(meal_cost, tip_percent, tax_percent)
{
    /* Enter your code here */
    var hundred = 100;
    var tip = (meal_cost*tip_percent)/hundred;
    var tax = (meal_cost*tax_percent)/hundred;
    var total = meal_cost + tip + tax;
    console.log(Math.round(total));     
}//ends function solve


/*
//CREDIT: The following main() function was provided by HackerRank.com
*/
function main()
{
    const meal_cost = parseFloat(readLine());

    const tip_percent = parseInt(readLine(), 10);

    const tax_percent = parseInt(readLine(), 10);

    solve(meal_cost, tip_percent, tax_percent);
}//ends function main


/*Copyright ElohimTov LLC*/