#include <iostream>
using namespace std;
int main()
{
long long n;
cin >> n;
bool cheak=0;
for (int i=0 ;i<n ;i++)
{
cin>> i;
if (i==1)
{
cheak=1;
break;
}
}
if (cheak==1)
{
cout <<"HARD";
}
else
{
cout <<"EASY";
}
}
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