import kotlin.math.min fun chocolatePyramidSum(r: Int, c: Int): Long { val m = min(r, c).toLong() return m * (4 * m * m - 6 * m * (r.toLong() + c.toLong()) + 12 * r.toLong() * c.toLong() - 1) / 3 } fun chocolatePyramidDark(r: Int, c: Int): Long { val m = min(r, c).toLong() return m * (2 * m * m - 3 * m * (r.toLong() + c.toLong()) + 6 * r.toLong() * c.toLong() - 2) / 3 } fun chocolatePyramid(r: Int, c: Int): Pair { // W(r, c) = (r * c) + (r-1) * (c-1) + D(r-1, c-1) // D(r, c) = (r - 1) * c + r * (c-1) + W(r-1, c-1) // therefore, // W(r, c) = (r * c) + 2*(r-1)*(c-1) ...(until r-k or c-k is equal to 0) // D(r, c) = (r - 1) * c + r * (c-1) + (r-2) * (c-1) + (r - 1) * (c-2) //(r*c) + (r-1) * c + r * (c-1) + (r-1) * (c-1) // S(r, c) = (2r-1)(2c-1) + S(r-1, c-1) val s = chocolatePyramidSum(r, c) val d = chocolatePyramidDark(r, c) return s - d to d } fun main() = with(System.`in`.bufferedReader()) { val t = this.readLine().toInt() repeat(t) { val (r, c) = this.readLine().split(" ").map { it.toInt() } println(chocolatePyramid(r, c).let { "${it.first} ${it.second}" }) } }