#include<stdio.h>
int main(void)
{
	float n;
	while(scanf("%f",&n)!=EOF){
		if(n<=48){
			printf("light fly\n");
		}
		else if(n<=51){
			printf("fly\n");
		}
		else if(n<=54){
			printf("bantam\n");
		}
		else if(n<=57){
			printf("feather\n");
		}
		else if(n<=60){
			printf("light\n");
		}
		else if(n<=64){
			printf("light welter\n");
		}
		else if(n<=69){
			printf("welter\n");
		}
		else if(n<=75){
			printf("light middle\n");
		}
		else if(n<=81){
			printf("middle\n");
		}
		else if(n<=91){
			printf("light heavy\n");
		}
		else{
			printf("heavy\n");
		}
	}
	return 0;
}