Description

Input two positive integers $A$ and $B$, and calculate the value of $A \times B$. Note the range of the product and the data type.

Input Format

Input consists of a single line with two positive integers $A$ and $B$, separated by a space. The constraints are $1 \le A, B \le 50000$.

Output Format

Output a single integer representing the value of $A \times B$.

Sample

3 4

12