#include<cstdio>
int main(){
	double weight;
	scanf("%lf",&weight);

	if(weight<=48) printf("light fly\n");
	if(weight>48 && weight<=51) printf("fly\n");
	if(weight>51 && weight<=54) printf("bantam\n");
	if(weight>54 && weight<=57) printf("feather\n");
	if(weight>57 && weight<=60) printf("light\n");
	if(weight>60 && weight<=64) printf("light welter\n");
	if(weight>64 && weight<=69) printf("welter\n");
	if(weight>69 && weight<=75) printf("light middle\n");
	if(weight>75 && weight<=81) printf("middle\n");
	if(weight>81 && weight<=91) printf("light heavy\n");
	if(weight>91) printf("heavy\n");

	return 0;
}