XOR 1
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
Two binary numbers, each with N digits, are provided.
Your task is to compute the XOR of these two numbers.
Input
First, the number N is given. Following this, two binary numbers are provided, each on a separate line (1 ≤ N ≤ 500).
Output
Output a single binary number, which is the result of the XOR operation, having N digits.
Examples
Input #1
Answer #1
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Acceptance rate 65%