#include <bits/stdc++.h>
using namespace std ;

#define pb(n) push_back(n)
#define fi first
#define se second
#define all(r) (r).begin(),(r).end()
#define gsort(st,en) sort((st),(en),greater<int>())
#define vmax(ary) *max_element(all(ary))
#define vmin(ary) *min_element(all(ary))
#define debug(x) cout<<#x<<": "<<x<<endl
#define fcout(n) cout<<fixed<<setprecision((n))
#define scout(n) cout<<setw(n)
#define vary(type,name,size,init) vector< type> name(size,init)

#define rep(i,n) for(int i = 0; i < (int)(n);++i)
#define REP(i,a,b) for(int i = (a);i < (int)(b);++i)
#define repi(it,array) for(auto it = array.begin(),end = array.end(); it != end;++it)
#define repa(n,array) for(auto &n :(array))

using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
using dict = map<string,int>;
using pii = pair<int,int> ;

constexpr int imax = ((1<<30)-1)*2+1 ;
constexpr int inf = 100000000;
constexpr double PI = acos(-1.0) ;
double eps = 1e-10 ;
const int dy[] = {-1,0,1,0};
const int dx[] = {0,-1,0,1};

inline bool value(int x,int y,int w,int h){
  return (x >= 0 && x < w && y >= 0 && y < h);
}

template<typename T>
void Unique(vector<T> &v){
  sort(all(v));
  v.erase(unique(all(v)),v.end());
}

template<typename T>
T ston(string& str, T n){
  istringstream sin(str) ;
  T num ;
  sin >> num ;
  return num ;
}

void Ans(bool f){
  if(f) cout << "YES"<<endl;
  else cout << "NO"<<endl;
}

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  int y,m,d;
  while(cin >> y >> m >> d){
    if(y < 1868 || (y == 1868 && m < 9) || (y == 1868 && m == 9 && d < 8)){
      cout << "pre-meiji"<<endl;
    }
    else if(y < 1912 ||( y == 1912 && m < 7) || (y == 1912 && m == 7 && d < 30)){
      cout << "meiji " << y - 1868+1 << " " << m << " " << d << endl;
    }
    else if(y < 1926 ||( y == 1926 && m < 12) || (y == 1926 && m ==12 && d <25)){
      cout << "taisho " << y - 1912+1 << " " << m << " " << d<<endl;
    }
    else if(y < 1989 || ( y == 1989 && m == 1 && d < 8)){
      cout << "showa " << y - 1926+1 << " " << m << " " << d << endl;
    }
    else{
      cout << "heisei "<< y - 1989 + 1<< " " << m << " " << d << endl;
    }
  }
  return 0;
}