#include<bits/stdc++.h>
using namespace std;
int main()
{
	long long a,b;
	cin>>a>>b;
	while(a>0&&b>0)
	{
		if(a%10+b%10>=10)
		{
			cout<<"Hard";
			return 0;
		}
		a/=10,b/=10;
	}
	cout<<"Easy";
	return 0;
}