Problem10266--CF EDU - Binary Search - Step 5 - B. Multiplication Table

10266: CF EDU - Binary Search - Step 5 - B. Multiplication Table

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Time Limit : 1.000 sec  Memory Limit : 512 MiB

Description

Peter compiled a multiplication table of size $n×n$. The cell in the $i$-th row and $j$-th column contains the value $i⋅j$. Peter was interested in the question: which number in the table is $k$-th in ascending order? Help Peter answer this question.

Input

The input contains two integers $n,k\ (1≤n≤10^5,\ 1≤k≤n^2)$.

Output

Print one integer, $k$-th number in ascending order in the table.

Sample 1 Input

3 4

Sample 1 Output

3

Sample 2 Input

5 16

Sample 2 Output

10

HINT

CF EDU.

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