2639. Ellipse, again and again

输入格式

The first line contains a positive integer n that indicates number of test cases.

And each test case contains a line with four integers. The value of parameters of the ellipse a, b(0<|a|,|b|<=100),and the coordinates x, y of P(|x|<=100,|y|<=100) are given successively.

输出格式

For each test case, output one line. If the given point P lies inside the given ellipse, print “In ellipse” otherwise print the value of ddQF1*QF2 rounded to the nearest integer.

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