using System;

​

public class Program

{

   public static void Main() {

     // declare variables y inicialice 

    double tumor = 7.9;

     double psa = 1.42;

     //  evalue la primer variable

     if(tumor<7.851){

        //evaluee si psa es < o > a 2.549         

          if(psa<2.549){

                        Console.WriteLine("Diseased 54/16");

          }

           else {

                 Console.WriteLine("Nondiseased 3/14");

           }

     }

     // evalue cuando el tumor es>= 7.851

     else if(tumor>=7.851){

    // evalue si psa >= 1.775

         if(psa>=1.775){

                         Console.WriteLine("nondiseased 7/49");

         }

     // evalue si psa es < 1.775 y > 1.629

      else if (psa<1.775&&psa>=1.629){

                        Console.WriteLine("diseased 6/1");

             }

     // Se evalua si PSA es < 1.629

      else{

            if(psa<1.629){

    // Se evalua si psa < 1.41 si no muestra letrero de nondiseased 0/4

                if(psa<1.41){

                            Console.WriteLine("diseased 3/1");

                }

                else{

                     Console.WriteLine("nondiseased 0/4");

                }

            }

      }

     }

    }

}