#include<iostream>
#include<string>
using namespace std;
int main()
{
    string user;
    int age;
    getline(cin,user);
    cin>>age;
    
     
    try{
        if (user.length()<3){
            throw"Invalid input";
        }
        if (age < 18 ||age > 100){
            throw"Invalid input";
        }
        cout<<"Registration scccessful";
    }
    catch(char ch*a){
        cout<<a;
    }
    return 0;
}