fun main() {
    val builder = StringBuilder()

    val (n, z) = readInputLine().split(" ").map { it.toInt() }

    var zTmp = 1
    repeat(n) {
        zTmp *= z
    }

    for (x in 1..100) {
        var xTmp = 1
        repeat(n) {
            xTmp *= x
            if (xTmp >= zTmp) {
                println("No")
                return
            }
        }
        for (y in 1..100) {
            var yTmp = 1
            repeat(n) {
                yTmp *= y
                if (xTmp + yTmp > zTmp) {
                    return@repeat
                }
            }
            if (xTmp + yTmp == zTmp) {
                println("Yes")
                return
            }
        }
    }

    print(builder.toString())
}

fun readInputLine(): String {
    return readLine()!!
}