using System;

public class Program

{

    public static void Main()

    {

        int bitcoins = int.Parse(Console.ReadLine()); 

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            double juans = double.Parse(Console.ReadLine()); 

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            double commissionPercent = double.Parse(Console.ReadLine()); 

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            double bitcoinConversion = 1168; 

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            double chinaToUSD = 0.15; //usd 

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            double dollarConversion = 1.76; //lv 

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            double euroConversion = 1.95; //lv 

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            double bitcoinToLev = bitcoins * bitcoinConversion; 

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            double chnToDollar = juans * chinaToUSD; 

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            double dollarToLev = chnToDollar * dollarConversion;

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            double totalNoCommission = bitcoinToLev + dollarToLev; 

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            double totalToEuro = totalNoCommission / euroConversion; 

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            double commission = totalToEuro * commissionPercent / 100; 

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            double finalresult2 = totalToEuro - commission; 

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            Console.WriteLine(finalresult2); 

    }

}

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