#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cassert>
#include <iostream>
#include <cctype>
#include <sstream>
#include <string>
#include <list>
#include <vector>
#include <queue>
#include <set>
#include <stack>
#include <map>
#include <utility>
#include <numeric>
#include <algorithm>
#include <iterator>
#include <bitset>
#include <complex>
#include <fstream>
#include <iomanip>
using namespace std;
typedef long long ll;
const double EPS = 1e-9;
typedef vector<int> vint;
typedef pair<int, int> pint;
#define rep(i, n) REP(i, 0, n)
#define ALL(v) v.begin(), v.end()
#define MSG(a) cout << #a << " " << a << endl;
#define REP(i, x, n) for(int i = x; i < n; i++)
template<class T> T RoundOff(T a){ return int(a+.5-(a<0)); }
template<class T, class C> void chmax(T& a, C b){ if(a < b) a = b; }
template<class T, class C> void chmin(T& a, C b){ if(b < a) a = b; }
template<class T, class C> pair<T, C> mp(T a, C b){ return make_pair(a, b); }

int main()
{
	int y, m, d;
	while(cin >> y >> m >> d)
	{
		char str[256];
		sprintf(str, "%4d%2d%2d", y, m, d);
		
		string in = str;
		if	   (in < "18680908")	cout << "pre-meiji" << endl;
		else if(in < "19120730")	cout << "meiji"  << " " << y - 1867 << " " << m << " " << d << endl;
		else if(in < "19261225")	cout << "taisho" << " " << y - 1911 << " " << m << " " << d << endl;
		else if(in < "19890108")	cout << "showa"  << " " << y - 1925 << " " << m << " " << d << endl;
		else						cout << "heisei" << " " << y - 1988 << " " << m << " " << d << endl;
	}
}