import java.util.*;
import java.lang.*;
import java.io.*;
 
class Depo
{
	public static void main (String[] args) throws java.lang.Exception
	{
		double a, b, c;
		Scanner in = new Scanner(System.in);
		a=in.nextDouble();
		b=in.nextDouble();
		c=in.nextDouble();
		if((a>=b)&&(b>=c)){
			a*=2;
			b*=2;
			c*=2;
		}
		else{
			a=Math.abs(a);
			b=Math.abs(b);
			c=Math.abs(c);
		}
		System.out.printf("a = %3.2f, b = %3.2f, c = %3.2f", a, b, c);
	}
}

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