// editor4
#include <iostream>
#include <string>
using namespace std;

class Person 
{
public:
    string name;
    int age;
    
    Person(string n, int a)
    {
        name = n;
        age  = a;
    }
    
};

int main()
{
    string name;
    int age;
    
    cin >> name >> age;
    
    if (age < 0)
    {
        cout << "Invalid input";
        
    }
    else
    {
        Person p(name , age);
        ++p;
        cout << "Updated age of " << p.name << ": " << p.age;
    }
    
    return 0;

}