Big-Product

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Given two large integers $A$ and $B$, output their product. ###Input: - Only line in the input contains two space separated integers $A$ and $B$. ###Output: Output a single integer denoting $A \times B$ ###Constraints - $1 \leq A,B \leq 10^{40}$ ###Subtasks - 15 points : $1 \leq A,B \leq 10^9$ - 25 points : $1 \leq A,B \leq 10^{18}$ - 60 points : Original Constraints ###Sam

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solution.cppC++17

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