import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	}
} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	}
} Main public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	} main {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int[] a = new int[3]; a new int[3] 3 for (int i=0; i<3; i++) a[i]=scanner.nextInt(); int i=0; int i=0; i 0 i<3 i 3 i++ i++ i a[i]=scanner.nextInt(); a[i]=scanner.nextInt() a[i] a i scanner.nextInt() scanner.nextInt scanner Arrays.sort(a) Arrays.sort Arrays a System.out.println(Math.abs(a[2]-a[0])) System.out.println System.out System System.out Math.abs(a[2]-a[0]) Math.abs Math a[2]-a[0] a[2] a 2 a[0] a 0 String[] args args public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	}
} Main
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int[] a = new int[3];
		for (int i=0; i<3; i++) a[i]=scanner.nextInt();
		Arrays.sort(a);
		System.out.println(Math.abs(a[2]-a[0]));
	}
}