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

int main(){
	int n;
	while(scanf("%d",&n)!=EOF){
		int a[1000];
		if(n==1){
		printf("H\n");continue;}
		for(int i=0;i<n;i++)scanf("%d",&a[i]);
		int i=0,cout=0;
		while(a[i]==1){
			i++;cout++;
		}
		if(cout%2==1)printf("L\n");
		else if(cout==n&&cout%2==1)printf("H\n");
		else if(cout==n&&cout%2==0)printf("L\n");
		else printf("H\n");
	}
}