Problem Statement
You are given positive integers AA and BB.
Let us calculate A+BA+B (in decimal). If it does not involve a carry, print Easy; if it does, print Hard.
Constraints
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AA and BB are integers.
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1 \le A,B \le 10^{18}1≤A,B≤10**18 (即10的18次方)
Input
Input is given from Standard Input in the following format:
AABB
Output
If the calculation does not involve a carry, print Easy; if it does, print Hard.