using System;
public class Program
{
public static void Main()
double Tumorvol;
double PSA;
Tumorvol=7851;
PSA=1.775;
if(Tumorvol<7.851){
if(PSA<2.549){
Console.WriteLine("Diseased");
}
else if (PSA>= 2.549){
Console.WriteLine("Non diseased");
if(Tumorvol>=7.851){
if(PSA<1775){
if(PSA<= 1.629){
else if(PSA<1.629){
if (PSA<1.41){
else if(PSA>=1.41){
else if(PSA>=1.775){