#include <stdio.h>
#include<math.h>
#include <algorithm>
using namespace std;


int main(){

	int year,month,day;

	while(scanf("%d %d %d",&year,&month,&day)!=EOF){
		if((year <= 1867) || (year == 1868 && month <= 8) || (year == 1868 && month == 9 && day <= 7)){
			printf("pre-meiji\n");
		}else if(year <= 1911 || (year == 1912 && month <= 6) || (year == 1912 && month == 7 && day <= 29)){
			printf("meiji %d %d %d\n",year-1868+1,month,day);
		}else if(year <= 1925 || (year == 1926 && month <= 11) || (year == 1926 && month == 12 && day <= 24)){
			printf("taisho %d %d %d\n",year-1912+1,month,day);
		}else if(year <= 1988 || (year == 1989 && month == 1 && day <= 7)){
			printf("showa %d %d %d\n",year-1926+1,month,day);
		}else{
			printf("heisei %d %d %d\n",year-1989+1,month,day);
		}
	}

    return 0;
}