#include<stdio.h>
#include<algorithm>
#include<string.h>
using namespace std;
int main() {
	int n;
	while(scanf("%d",&n)!=EOF) {
		int a[1004];
		for(int i=0; i<n; i++)scanf("%d",&a[i]);
		if(n==1) {
			printf("H\n");
			continue;
		}
		int i=0,cout=0;
		while(a[i]==1&&i<n) {
			i++;
			cout++;
		}
		if(cout%2==1&&cout<n)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");
		}
	}