#include<iostream>
#include<string>
using namespace std;
class Ticket{
    public:
    string name ;
    float t ;
    int a;
    void fun(){
        getline(cin,name);
        if (t<0){
            cout<<"Invalid input";
        
        }
        else {
            if (name == "adult"){
            cout<<t;
        }
        else if (name == "child"){
            a = (20*t)/100;
        }
        else if (name == "senior"){
            a = (15*t)/100;
        }
        else if (name == "student"){
            a = (10*t)/100;
        }
            
        }
    }
}