import java.util.Scanner;
public class program
{
  public static void main(String argv[])
  {
    int a,b,c;
    Scanner s=new Scanner(System.in);
    a=s.nextInt();
    b=s.nextInt();
    c=s.nextInt();
    if(a>b)
    {
      if(a>c)
      System.out.println(a);
      else
      System.out.println(c);
    }
    else{
      if(b>c)
      System.out.println(b);
      else
      System.out.println(c);
    }
  }
}