/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
Scanner in
= new Scanner
(System.
in);
double p1 = in.nextDouble();
double p2 = in.nextDouble();
double p3 = in.nextDouble();
double op = (1+p1/100)*(1+p2/100)*(1+p3/100);
double sp;
sp
=(Math.
pow(op,
1.0/3.0)-1)*100;
}
}
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