Problem Description

Given \( A \) and \( I \), find the smallest \( N \) such that \( \lceil \frac{N}{A} \rceil \geq I \).

Input Format

A single line containing two integers \( A \) and \( I \).

Output Format

A single line containing one integer \( N \).

Sample Input and Output

Sample Input #1

38 24

Sample Output #1

875

Sample Input #2

1 100

Sample Output #2

100

Sample Input #3

10 10

Sample Output #3

91

Notes

\( 1 \leq A, I \leq 100 \).

见题面 Input 部分

见题面 Output 部分