题库练习 Power Board
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A14934 | Power Board

时间限制1s
内存限制256MB
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题目描述

You have a rectangular board of size $n\times m$ ( $n$ rows, $m$ columns). The $n$ rows are numbered from $1$ to $n$ from top to bottom, and the $m$ columns are numbered from $1$ to $m$ from left to right.

The cell at the intersection of row $i$ and column $j$ contains the number $i^j$ ( $i$ raised to the power of $j$ ). For example, if $n=3$ and $m=3$ the board is as follows:

![](/uploads/acgo/image/4cbddb23b89d00fc_5de5b432c0cc.jpeg)Find the number of distinct integers written on the board.

输入格式

The only line contains two integers $n$ and $m$ ( $1\le n,m\le 10^6$ ) — the number of rows and columns of the board.

输出格式

Print one integer, the number of distinct integers on the board.

输入输出样例

输入 #1
3 3
输出 #1
7
输入 #2
2 4
输出 #2
5
输入 #3
4 2
输出 #3
6
C++ 编辑器
输入
输出