private fun next() = readLine()!!
private fun nextInt() = next().toInt()
private fun nextLong() = next().toLong()
private fun nextDouble() = next().toDouble()
private fun nextList() = next().split(" ")
private fun nextIntList() = next().split(" ").map { it.toInt() }.toIntArray()
private fun nextLongList() = next().split(" ").map { it.toLong() }.toLongArray()
private fun nextDoubleList() = next().split(" ").map { it.toDouble() }.toDoubleArray()

fun main(args: Array<String>) {
    var turn = 0
    while (turn < 1000) {
        val n = nextInt()
        if (n == -1) {
            return
        }
        val h = IntArray(n) { 0 }
        val p = IntArray(n) { 0 }
        val x = IntArray(n) { 0 }
        for (i in 0 until n) {
            val hpx = next()
            h[i] = hpx[0].toInt()
            p[i] = hpx[1].toInt()
            x[i] = hpx[2].toInt()
        }
        println("S")
        turn++
    }
}