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A8583 | System of Equations

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题目描述

Furik loves math lessons very much, so he doesn't attend them, unlike Rubik. But now Furik wants to get a good mark for math. For that Ms. Ivanova, his math teacher, gave him a new task. Furik solved the task immediately. Can you?

You are given a system of equations:

![](/uploads/acgo/image/c83a8dcf1db6608b_3c3b4d0d03fb.jpeg)You should count, how many there are pairs of integers $(a,b)$ $(0<=a,b)$ which satisfy the system.

输入格式

A single line contains two integers $n,m$ $(1<=n,m<=1000)$ — the parameters of the system. The numbers on the line are separated by a space.

输出格式

On a single line print the answer to the problem.

输入输出样例

输入 #1
9 3
输出 #1
1
输入 #2
14 28
输出 #2
1
输入 #3
4 20
输出 #3
0
C++ 编辑器
输入
输出