Very Fast Multiplication

Medium

Execution time limit is 4 seconds

Runtime memory usage limit is 64 megabytes

Given two non-negative integers, A and B, your task is to calculate their product, A*B.

**Input**: The input consists of a single line containing two numbers, A and B, separated by a space. These numbers do not have leading zeros and satisfy the condition (0 $\leq$ A, B $\leq$ 10^195000).

**Output**: The output should be the product of A and B, displayed without leading zeros.

Examples

Input #1

Answer #1

Submissions 7K

Acceptance rate 17%