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
 z^x^y
 z^x^y
 x^z^y
 x^z^y
 y^x^z
 x^z^y
 (y^x)^z
 (x^y)^z
 x^z^y
 x^z^y
 z^y^x
 (z^x)^y
 x^z^y
 (y^x)^z
 z^x^y
 (x^y)^z
 y^x^z
 y^x^z
 z^x^y
 z^x^y
 y^z^x
 (z^x)^y
 y^x^z
 (y^x)^z
 (z^x)^y
 (z^x)^y
 x^y^z
 (y^x)^z
 y^x^z
 x^y^z
 y^x^z
 (x^y)^z
 x^z^y
 x^y^z
 y^z^x
 (x^y)^z
 (x^y)^z
 y^z^x
 (x^y)^z
 x^z^y
 x^y^z
 x^y^z
 (z^x)^y
 x^y^z
 z^y^x
 y^x^z
 z^x^y
 (z^x)^y
 (z^x)^y
 x^z^y
 z^y^x
 x^y^z
 y^z^x
 x^z^y
 y^x^z
 x^z^y
 (z^x)^y
 z^y^x
 (z^x)^y
 (z^x)^y
 z^x^y
 y^z^x
 (y^x)^z
 (x^y)^z
 y^z^x
 x^y^z
 x^z^y
 y^x^z
 x^z^y
 y^x^z
 z^y^x
 z^x^y
 (y^x)^z
 z^y^x
 (x^y)^z
 y^z^x
 y^z^x
 (y^x)^z
 (x^y)^z
 y^x^z
 x^y^z
 y^x^z
 x^y^z
 x^y^z
 (y^x)^z
 x^y^z
 (x^y)^z
 (x^y)^z
 y^x^z
 y^x^z
 (y^x)^z
 z^y^x
 x^z^y
 (y^x)^z
 x^z^y
 (z^x)^y
 (x^y)^z
 (z^x)^y
 y^z^x
 x^y^z
 (x^y)^z
 z^x^y
 z^x^y
 z^y^x
 (x^y)^z
 z^x^y
 (x^y)^z
 (y^x)^z
 z^x^y
 (z^x)^y
 x^y^z
 (y^x)^z
 z^y^x
 (x^y)^z
 x^y^z
 x^z^y
 (z^x)^y
 z^x^y
 x^z^y
 x^z^y
 (y^x)^z
 (x^y)^z
 x^z^y
 (x^y)^z
 y^z^x
 z^y^x
 y^z^x
 x^z^y
 x^y^z
 x^y^z
 (x^y)^z
 y^x^z
 (x^y)^z
 (y^x)^z
 (x^y)^z
 x^z^y
 y^z^x
 y^z^x
 y^x^z
 x^z^y
 z^x^y
 x^z^y

import java.util.Scanner;

public class CodeForces {

/*	a1 = xyz;
	a2 = xzy;
	a3 = (xy)z;
	a4 = (xz)y;
	a5 = yxz;
	a6 = yzx;
	a7 = (yx)z;
	a8 = (yz)x;
	a9 = zxy;
	a10 = zyx;
	a11 = (zx)y;
	a12 = (zy)x.*/
	public static void main(String[] args) {
		

		Scanner sc = new Scanner(System.in);
		String sx = sc.next();
		String sy = sc.next();
		String sz = sc.next();
		double x = Integer.parseInt(sx.substring(0, sx.length()-2)) + Integer.parseInt(sx.substring(sx.length()-1))/(double)10;
		double y = Integer.parseInt(sy.substring(0, sy.length()-2)) + Integer.parseInt(sz.substring(sz.length()-1))/(double)10;
		double z = Integer.parseInt(sz.substring(0, sz.length()-2)) + Integer.parseInt(sy.substring(sy.length()-1))/(double)10;
		int index = 0;
		if(x > 2 && y > 2 && z > 2) {
			if(x > y && y > z) index = 3;
			if(x > z && z > y) index = 3;
			if(y > z && z > x) index = 5;
			if(y > x && x > z) index = 5;
			if(z > y && y > x) index = 9;
			if(z > x && x > y) index = 9;
			
			if(x == z && z > y) index = 9;
			if(x == z && z < y) index = 5;
			if(x == y && z < y) index = 5;
			if(x == y && z > y) index = 9;
			if(y == z && z > x) index = 8;
			if(y == z && z < x) index = 3;
			if(y == z && z == x) index = 1;
		} else {
/*		x > y > z 3
		x > z > y 3
		y > x > z 5
		y > z > x 5
		z > x > y 9
		z > y > x 9
		
		z = x > y 9
		y > z = x 5
		x = y > z 5
		z > x = y 9
		y = z > x 8
		x > y = z 3
		x = y = z 1		
		*/
		double biggest = 0;

		if(Math.pow(x, Math.pow(y, z))-0.000000001 > biggest) {
			biggest = Math.pow(x, Math.pow(y, z));
			index = 1;
		}
		if(Math.pow(x, Math.pow(z, y))-0.000000001 > biggest) {
			biggest = Math.pow(x, Math.pow(z, y));
			index = 2;
		}
		if(Math.pow(Math.pow(x, y),z)-0.0000000001 > biggest) {
			biggest = Math.pow(Math.pow(x, y),z);
			index = 3;
		}
		if(Math.pow(y,Math.pow(x, z))-0.0000000001 > biggest) {
			biggest = Math.pow(y,Math.pow(x, z));
			index = 5;
		}
		if(Math.pow(y,Math.pow(z, x))-0.0000000001 > biggest) {
			biggest = Math.pow(y,Math.pow(z, x));
			index = 6;
		}
		if(Math.pow(Math.pow(y, z),x)-0.0000000001 > biggest) {
			biggest = Math.pow(Math.pow(y, z),x);
			index = 8;
		}
		if(Math.pow(z,Math.pow(x, y))-0.0000000001 > biggest) {
			biggest = Math.pow(z,Math.pow(x, y));
			index = 9;
		}
		if(Math.pow(z,Math.pow(y, x))-0.0000000001 > biggest) {
			biggest = Math.pow(z,Math.pow(y, x));
			index = 10;
		}
		if(Math.pow(Math.pow(z, x),y)-0.0000000001 > biggest) {
			biggest = Math.pow(Math.pow(z, x),y);
			index = 11;
		}}
		String[] a = {"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"};
		System.out.print(index);
		
	}
}