#include<iostream>
#include<cstdio>
using namespace std;
int main(){int a,b,c,d;
while(cin>>a>>b>>c){d=a*10000+b*100+c;
if(d<18680908){printf("pre-meiji\n");continue;}
if(d<19120730){printf("meiji %d %d %d\n",a-1867,b,c);continue;}
if(d<19261225){printf("taisho %d %d %d\n",a-1911,b,c);continue;}
if(d<19890108){printf("showa %d %d %d\n",a-1925,b,c);continue;}
printf("heisei %d %d %d\n",a-1988,b,c);}}