#include <iostream>
using namespace std;
bool is_valid_date(int year, int month, int day) {
  return (!((month < 1 || month > 12 || day < 1) || (month == 2 && day > (28 + (year % 4 == 0 && (year % 100 != 0 ||year % 400 == 0)))) || (month <= 7 && day > (30 + month%2)) || (month >= 8 && day > (31 - month%2))));
}
unsigned int luhn(string const& number) {
  unsigned short int q{1};
  unsigned int r{0};  
  for ( string::const_reverse_iterator it = number.crbegin(); it != number.crend(); ++it ) {
    if ( *it != 45 ) {
      if (q*(*it-48)>9)
        r+=q*(*it-48)-9;
      else
        r+=q*(*it-48);
        (q%=2)++;
    }
  }
  return r;
}
int main(int argc, char* argv[])
{
  if ( argc != 2)
  {
    cerr << "usage: " << argv[0] << " person-number" << endl;
    return 1;
  }
  if ( string(argv[1]).size() != 11 || string(argv[1]).at(6) != '-' )
  {
    cerr << "person number '" << argv[1] << "' have wrong format" << endl;
    return 1;
  }  
  if ( ! is_valid_date( stoi( string(argv[1]).substr(0, 2) ), stoi( string(argv[1]).substr(2, 2) ), stoi( string(argv[1]).substr(4, 2) ) ) )
    cout << "'" << argv[1] << "' is not a valid person number (date check failed) " << endl;
  else if ( luhn( argv[1] ) % 10 != 0 )
    cout << "'" << argv[1] << "' is not a valid person number (wrong check digit)" << endl;
  else if ( (string(argv[1]).at(9)-48) % 2 == 0 )
    cout << "'" << argv[1] << "' is a valid person number for a female" << endl;
  else if ( (string(argv[1]).at(9)-48) % 2 != 0 )
    cout << "'" << argv[1] << "' is a valid person number for a male" << endl;
  return 0;
}