input()
for x in input().split():
if x == "1":
print("HARD")
exit()
print("EASY")1735B - Tea with Tangerines | 1735C - Phase Shift |
1321C - Remove Adjacent | 281B - Nearest Fraction |
1043A - Elections | 1598C - Delete Two Elements |
1400C - Binary String Reconstruction | 1734D - Slime Escape |
1499A - Domino on Windowsill | 991A - If at first you don't succeed |
1196C - Robot Breakout | 373A - Collecting Beats is Fun |
965A - Paper Airplanes | 863E - Turn Off The TV |
630E - A rectangle | 1104A - Splitting into digits |
19C - Deletion of Repeats | 1550B - Maximum Cost Deletion |
1693A - Directional Increase | 735D - Taxes |
989A - A Blend of Springtime | 339C - Xenia and Weights |
608A - Saitama Destroys Hotel | 1342C - Yet Another Counting Problem |
548A - Mike and Fax | 109A - Lucky Sum of Digits |
864C - Bus | 626B - Cards |
1221A - 2048 Game | 1374D - Zero Remainder Array |