Let us play with even and odd numbers

You are given e even and o odd numbers. In a single operation, you change an even to odd number or vice versa. Find out min number of operations needed to do such that ratio of even to odd numbers becomes 2 : 3. If it is impossible to do so, output -1. Input - The first line of the input contains an integer T denoting the number of test cases. The description of T test cases follows. - For eac