import java.util.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in = new Scanner(System.in);
		double x, y, z, max;
		x = in.nextDouble();
		y = in.nextDouble();
		z = in.nextDouble();
		if (x <= y)
			max = y;
		else
			max = x;
		if (max <= z)
			max = z;
		System.out.format("max{%.2f, %.2f, %.2f} = %.2f\n", x, y, z, max);
	}
}