import java.util.*;
class Main 
{
     public static void main(String[] aa){
         Scanner sc=new Scanner(System.in);
         int n1,n2,n3;
         n1=sc.nextInt();
         n2=sc.nextInt();
         n3=sc.nextInt();
         System.out.println(n1>n2 ?(n1>n3?n1:n3): (n2>n3 ? n2 : n3));
    
}
}