python/C++课程/第十课逻辑表达式和条件表达式/p75.cpp

#include <iostream>
using namespace std;
int main() {
	double x, y;
	cin >> x >> y;
	if (x >= -1 && x <= 1 && y >= -1 && y <= 1) {
		cout << "Yes" << endl;
	} else {
		cout << "No" << endl;
	}
	return 0;
}