1.0 200.0 200.0
 0.2 0.1 0.6
 1.9 3.0 4.1
 51.8 51.8 7.1
 113.9 125.2 88.8
 1.9 4.8 3.9
 2.2 148.1 138.0
 1.0 200.0 1.0
 1.7 4.5 4.2
 0.2 0.6 0.3
 200.0 200.0 0.1
 3.9 0.2 3.8
 7.0 131.1 7.4
 4.6 4.4 2.3
 2.0 1.1 2.4
 2.4 3.8 2.7
 0.1 0.5 0.2
 1.8 0.4 2.7
 1.1 1.1 1.1
 3.7 2.2 4.8
 3.9 2.1 4.5
 1.0 1.0 200.0
 104.6 184.4 82.3
 149.4 15.5 82.0
 0.5 0.5 0.6
 1.1 1.5 1.0
 0.3 0.4 0.4
 0.3 0.5 0.6
 0.2 0.2 0.5
 1.0 1.0 1.0
 0.2 0.7 0.6
 144.0 70.4 148.1
 25.9 77.0 144.8
 0.9 1.0 0.1
 0.5 0.3 0.2
 2.0 1.0 4.0
 4.0 2.0 1.0
 1.0 2.0 4.0
 0.5 0.5 0.1
 0.6 0.2 0.5
 185.9 9.6 163.4
 0.8 0.3 0.6
 200.0 1.0 200.0
 1.1 3.1 4.9
 3.7 3.7 4.1
 0.1 0.2 0.6
 1.5 1.3 0.1
 4.6 2.1 1.6
 0.1 200.0 0.1
 1.0 0.3 1.1
 0.3 0.3 0.5
 0.1 0.1 0.4
 55.5 159.4 140.3
 4.4 3.7 3.4
 200.0 1.0 1.0
 0.1 1.4 0.3
 1.4 0.5 0.8
 1.1 1.5 0.4
 51.5 156.3 145.1
 0.1 0.3 0.5
 153.9 122.1 89.5
 1.8 1.8 2.1
 0.5 0.1 0.9
 0.6 0.6 1.1
 4.6 3.0 3.4
 0.1 0.4 0.3
 0.6 0.3 0.2
 196.9 3.0 4.1
 3.0 3.0 3.1
 4.4 0.5 2.0
 4.5 1.3 4.8
 64.6 117.1 81.6
 117.4 68.8 137.7
 141.1 108.1 14.9
 81.7 171.9 4.4
 0.2 0.3 0.1
 156.9 154.8 73.9
 1.5 1.4 1.1
 0.4 1.1 0.9
 0.4 1.1 0.8
 0.1 200.0 200.0
 0.5 0.3 0.1
 1.0 2.0 1.0
 1.4 1.1 1.0
 0.7 1.4 0.4
 28.9 39.3 148.4
 1.7 1.9 4.4
 0.5 0.8 0.3
 200.0 0.1 0.1
 0.5 0.2 0.2
 0.6 0.4 0.3
 0.9 1.2 0.2
 4.3 2.4 4.9
 0.9 2.0 4.8
 189.4 63.7 63.4
 38.7 142.2 89.8
 0.3 0.4 0.1
 1.9 1.1 4.8
 0.4 0.1 0.6
 4.2 1.1 1.2
 1.5 1.7 2.5
 184.1 118.5 129.5
 200.0 200.0 200.0
 0.5 0.4 0.5
 1.2 0.7 1.3
 3.9 4.3 3.4
 193.9 40.7 19.7
 0.5 0.2 0.3
 36.9 51.1 4.8
 0.2 0.1 0.2
 0.2 0.6 0.4
 0.1 0.1 200.0
 0.9 4.6 3.4
 2.0 4.0 1.0
 0.2 0.3 0.2
 0.4 1.0 1.5
 1.4 1.2 1.4
 1.2 0.6 0.5
 2.0 2.1 2.2
 0.1 0.2 0.3
 0.8 0.4 1.4
 1.4 0.3 1.4
 4.0 1.0 2.0
 0.1 0.5 0.4
 0.4 0.2 0.3
 4.0 0.4 3.1
 200.0 0.1 200.0
 1.0 4.0 2.0
 0.3 0.4 1.2
 94.5 56.3 59.8
 1.4 0.8 0.9
 200.0 200.0 1.0
 1.4 0.8 0.2
 3.9 0.7 4.7
 144.6 103.0 193.4
 0.5 0.1 0.3
 0.1 0.4 0.2
 0.1 0.1 0.1
 1.2 0.5 1.2
 198.7 23.7 89.1
 139.3 87.4 129.9
 4.1 3.5 4.5
 2.2 3.1 3.0
 91.8 170.4 7.7
 41.7 104.5 74.2

y^z^x
 (z^x)^y
 x^y^z
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 x^z^y
 x^z^y
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 (x^y)^z
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 (z^x)^y
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 z^y^x
 y^x^z
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 (z^x)^y
 x^z^y
 z^y^x
 x^y^z
 y^z^x
 x^z^y
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 (z^x)^y
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 (x^y)^z
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import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.StringTokenizer;


public class Ratkweshandcheese {

	public static void main(String[] args) 
	{
		MyScannerrat sc=new MyScannerrat();
		double x=sc.nextDouble();
		double y=sc.nextDouble();
		double z=sc.nextDouble();
		boolean fmax=true;
		if((x<1) && (y<1) && (z<1) )
		{
			fmax=false;
		}
		int count=0;
		int index=0;
		double max=0;
		String types[]={"x^y^z",
						"x^z^y",
						"(x^y)^z",
						"(x^z)^y",
						"y^x^z",
						"y^z^x",
						"(y^x)^z",
						"(y^z)^x",
						"z^x^y",
						"z^y^x",
						"(z^x)^y",
						"(z^y)^x"};
		for(int i=1;i<=12;i++)
		{
			double res;
			double base;
			double log;
			double other;
			count++;
			if(count==5)
				count=1;
			if(i<=4)
			{	base=x;
			
			}
			else if(i<=8){
				base=y;
			}
			else{
				base=z;
			}
			if(base<=1)
				continue;
			if(i==1 || i==3 ||i==10 || i==12)
				log=y;
			else if(i==2 || i==4 ||i==6 || i==8)
				log=y;
			else
				log=z;
			other=x+y+z-base-log;
			if(count==1 || count==2)
			{	res=typea(base,log,other);
			}
			else
				res=typeb(log,other,base);
			
			
			if(fmax && res>max)
			{
				max=res;
				index=i;
			}
			else if(!fmax && res<max)
			{
				max=res;
				index=i;
			}
		}
		System.out.println(types[index-1]);
	}
	public static double typea(double base,double log,double other)
	{
		return other*Math.log(log)+lnln(base);
		
	}
	static double lnln(double v)
	{
		if(v<1)
			v=1/v;
		return Math.log(Math.log(v));
	}
	public static double typeb(double a,double b,double base)
	{
		return Math.log(a)+Math.log(b)+lnln(base);
	}
}
class MyScannerrat
{
	BufferedReader br;
	StringTokenizer st;
	MyScannerrat()
	{
		br=new BufferedReader(new InputStreamReader(System.in));
	}
	String next()
	{
		
		while(st==null || !st.hasMoreTokens())
		{
			try
			{
				st=new StringTokenizer(br.readLine());
			}
			catch(Exception e)
			{
				e.printStackTrace();
			}
		}
		return st.nextToken();
		
	}
	int nextInt()
	{
		return Integer.parseInt(next());
	}
	long nextLong()
	{
		return Long.parseLong(next());
	}
	double nextDouble()
	{
		return Double.parseDouble(next());
	}
	String nextLine()
	{
		String str="";
		try
		{
			str=br.readLine();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		return str;
		
	}
}