import random
import sys

def createCommand(joins, joinRate):
    nextLeaveNumber = 2
    joinCount = 0
    commands = []
    while joinCount < joins:
        if random.random() < joinRate:
            commands.append("J")
            joinCount += 1
        elif nextLeaveNumber < joinCount:
            commands.append("L" + repr(nextLeaveNumber))
            nextLeaveNumber += 1
    resultStr = ""
    resultStr += "###\n"
    jsString = "{"
    index = 0
    for command in commands:
        jsString += "\"" + repr(index) + "\":\"" + command + "\","
        index += 1
        resultStr += command + "\n"
    jsString = jsString[:-1] + "}"

    resultStr += "###" + "\n"
    resultStr += jsString + "\n"

    return resultStr
if __name__ == "__main__":
    createCommand(int(sys.argv[1]), float(sys.argv[2]))