#include <iostream>
using namespace std;

int main(){
	int year;
	int month;
	int day;
	while(cin >> year >> month >> day){
		if((year > 1989) || ((year == 1989) && 
			((month > 1) || ((month == 1) && (day >= 8)))))
		{
			cout << "heisei" << " " << year - 1989 + 1
				<< " " << month << " " << day << endl;
		} else if((year > 1926) || ((year == 1926) &&
			(month == 12) && (day >= 25)))
		{
			cout << "showa" << " " << year - 1926 + 1
				<< " " << month << " " << day << endl;
		} else if((year > 1912) || ((year == 1912) &&
			((month > 7) || ((month == 7) && (day >= 30)))))
		{
			cout << "taisho" << " " << year - 1912 + 1
				<< " " << month << " " << day << endl;
		} else if((year > 1868) || ((year == 1868) &&
			((month >9) || ((month == 9) && (day >= 8)))))
		{
			cout << "meiji" << " " << year - 1868 + 1 
				<< " " << month << " " << day << endl;
		} else{
			cout << "pre-meiji" << endl;
		}
	}
	return 0;
}