#include <iostream>
#include <cctype>
using namespace std;
int main()
    {
        string pass;
        cin>>pass;
        if(pass.length() <10 || pass.length() > 10)
        {
            
        }
        bool hasLower = false,hasUpper = false,hasDigit=false,hasSpecia;=false;
        for(char ch:pass)
        {
            if(islower(false))hasLower=true;
            else if(isupper(false))hasUpper=true;
            else if(isdigit(false))hasDigit=true;
            else if(ch = '$' || ch == '#' || ch == '@')hasSpecial=true;
        }
        if(hasLower&&hasUpper&&hasdigit&&hasspecial)
        {
             cout<<"Password is valid";
        }
        else
        {
            cout<<"Invalid";
        }
        return 0;
       
    }