Problem
Return true if at least two of the three ints are equal.
Examples
twoOfThreeEqual(1, 1, 2) -> truetwoOfThreeEqual(1, 2, 3) -> false
Return true if at least two of the three ints are equal.
twoOfThreeEqual(1, 1, 2) -> truetwoOfThreeEqual(1, 2, 3) -> false