MCPT is selling MCP Tea! They want to determine their total revenue if they set the price to . It is also known that the quantity of products sold is related to the price by the linear equation , where are integers. In addition, MCPT knows that the revenue for a price is given by .
MCPT wishes to know for different prices whether the price belongs to the part of the demand curve that is elastic or inelastic. A price belongs to the inelastic part if there exists a such that and , otherwise it is elastic. Can you help MCPT?
Input Specification
The first line will contain 4 integers .
The next lines will contain an integer .
It is guaranteed that and will not BOTH be zero.
Output Specification
On each line output elastic
or inelastic
if price belongs to the elastic or inelastic part of the curve.
Sample Input
4 1 1 5
1
2
3
4
Sample Output
inelastic
inelastic
elastic
elastic
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