Multiplication of Large Numbers

Given two non-negative integers represented as strings, compute their product and output the result as a string. Since the numbers can be extremely large, they may exceed the range of standard integer data types. You are required to simulate the multiplication process manually. In mathematical terms, for numbers \( num1 \) and \( num2 \), compute \( num1 \times num2 \).

inputFormat

The input is provided via standard input (stdin) and consists of two lines. Each line contains a non-negative integer represented as a string. The numbers will not have leading zeros, except for the number 0 itself.

outputFormat

The output should be written to standard output (stdout) and must consist of a single line containing the product of the two given numbers, represented as a string.

123
456

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