//@Author Damien Bell
#include <iostream>
#include <cmath>
using namespace std;
int main(){
    int choice=0;
    double x, y, z=0;
    
    cout << "Enter a number between 1 and 25: ";
    cin >>choice;
    
    if(choice > 10){
        cout <<"Number is > 10\n";
        if (choice > 20){
            cout <<" Number is greater than 20\n";
            if (choice >20 && choice <25){
                cout << "Number is greater than 20. And <25 \n";
            }
            else{
                //null
            }
          }
        else {
            //null
        }
    }
    else {
        //null
    }
                    
    
 
    
    
 return 0;
}