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