#!/usr/bin/python
from random import randint
from sys import stderr

def debug(x):
    y = 0
    print(x, file=stderr)


class Foo:
    def __init__(self):
        self.pool_size = 0
        self.tests_threshold = 0
        self.tests_needed = 0

    def one(self):
        self.dice_remaining = 0
        self.tests_passed = 0
        self.tests_nat1s = 0
        self.tests_this_roll = 0
        self.tests_these_rolls = 0

        self.dice_remaining = self.pool_size
        self.tests_nat1s = 0
        return self.two()

    def two(self):
        self.these_rolls = 1
        self.dice_remaining -= 1
        return self.three()

    def three(self):
        self.tests_this_roll = randint(0, 5)
        self.tests_these_rolls += self.tests_this_roll
        return self.n_o_and_p()

    def n_o_and_p(self):
        if (self.tests_these_rolls == 0):
            self.tests_nat1s += 1
            return self.four()
        if (self.tests_this_roll == 5):
            return self.three()
        if ((self.tests_this_roll < 5) and (self.tests_these_rolls > 0)):
            return self.four()
        return -36

    def four(self):
        if(self.tests_these_rolls >= self.tests_threshold):
            self.tests_passed += 1
            return self.five()
        else:
            return self.five()

    def five(self):
 #       debug(["roll:", self.tests_these_rolls])

        if (self.dice_remaining > 0):
            return self.two()
        else:
            return self.six()

    def six(self):
        if (self.tests_passed >= self.tests_needed):
            return 1
        else:
            return self.seven()

    def seven(self):
        if (self.tests_nat1s > self.tests_passed):
            return -1
        else:
#            debug(["nat1:", self.tests_nat1s])
#            debug(["pass:", self.tests_passed])
#            debug(["need:", self.tests_needed])
#            debug(["thresh:", self.tests_threshold])
            return 0

blue = Foo()

blue.tests_needed = 2
blue.tests_threshold = 4
blue.pool_size = 3
x = blue.one()
print ("exit:\t", x)
exit(x)