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#!/usr/local/bin/node
//
// See ../README.md
//
//
// Run as: node ch-2.js < input-file
//
function steps (x, y, path) {
if (x == 0 && y == 0) {
console . log (path)
return
}
if (x > 0) {
steps (x - 1, y, path + "R")
steps (x - 1, y + 1, path + "L")
}
if (y > 0) {
steps (x, y - 1, path + "H")
}
}
require ('readline')
. createInterface ({input: process . stdin})
. on ('line', number => steps (+number, 0, ""))
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