#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <queue>
#include <sstream>
#include <climits>
#include <cmath>
#include <functional>
#include <map>
#include <stack>
using namespace std;
#define M_PI 3.141592
#define FOR(i,n) for(int i=0;i<(int)n;i++)
#define FORI(i,k,n) for(int i=k;i<(int)n;i++)
#define toRad 2.0*M_PI/360.0
#define inin(x) int x;cin>>x;
#define all(x) x.begin(),x.end()
#define debug(x) cout<<#x<<" "<<x<<endl;
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define EPS 1e-12
#define pri_max 60000
typedef pair<int, int> pii;
typedef pair<double, double> pdd;
int dx[4] = { 0,1,0,-1 };
int dy[4] = { 1,0,-1,0 };

/*
bool memo[pri_max] = {};
vector<int> pri;
void calc()
{
	for (int i = 2; i < pri_max; i++)
	{
		if (memo[i] == false)
		{
			pri.push_back(i);
			for (int l = i; l < pri_max; l += i)
			{
				memo[l] = true;
			}
		}
	}
}*/
double len(pdd a, pdd b)
{
	return sqrt((b.first - a.first)*(b.first - a.first) + (b.second - a.second)*(b.second - a.second));
}

int main()
{
	string gen[5] = { "pre-meiji","meiji","taisho","showa","heisei" };
	int t[5][3] = { {0,0,0},{1868,9,8},{1912,7,30},{1926,12,25},{1989,1,8} };
	int x[3];
	while (cin >> x[0] >> x[1] >> x[2])
	{
		bool flag = true;
		for (int i = 4; i > 0&&flag; i--)
		{
			for (int l = 0; l < 3;l++)
			{
				if (t[i][l]>x[l])break;
				else if (t[i][l] == x[l])
				{
					if (l == 2)
					{
						goto ans;
					}
					continue;
				}
				else
				{
					ans:
					flag = false;
					cout << gen[i] << " " << x[0] - t[i][0] + 1 << " " << x[1] << " " << x[2] << endl;
					break;
				}
			}
		}
		if (flag)
		{
			cout << gen[0] << endl;
		}
	}
}