fun main() {
    val builder = StringBuilder()

    val mod = 1000000007L

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

    val zPow = pow(z, n, mod)

    for (x in LongRange(1L, 10000L)) {
        val xPow = pow(x, n, mod)
        if (xPow > zPow) {
            break
        }
        for (y in LongRange(1L, 10000L)) {
            val yPow = pow(y, n, mod)
            if (xPow + yPow > zPow) {
                break
            }
            if (xPow + yPow == zPow) {
                println("Yes")
                return
            }
        }
    }

    builder.appendln("No")

    print(builder.toString())
}

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

fun pow(x: Long, n: Long, mod: Long): Long {
    var ret = 1L
    var base = x
    var nTmp = n

    while (nTmp != 0L) {
        if (nTmp % 2L != 0L) {
            ret = ret * base % mod
        }
        base = base * base % mod
        nTmp /= 2L
    }

    return ret
}