try:
    from msvcrt import kbhit
except ImportError:
    import termios, fcntl, sys, os
    def kbhit():
        fd = sys.stdin.fileno()
        oldterm = termios.tcgetattr(fd)
        newattr = termios.tcgetattr(fd)
        newattr[3] = newattr[3] & ~termios.ICANON & ~termios.ECHO
        termios.tcsetattr(fd, termios.TCSANOW, newattr)
        oldflags = fcntl.fcntl(fd, fcntl.F_GETFL)
        fcntl.fcntl(fd, fcntl.F_SETFL, oldflags | os.O_NONBLOCK)
        try:
            while True:
                try:
                    c = sys.stdin.read(1)
                    return c
                except IOError:
                    return False
        finally:
            termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm)
            fcntl.fcntl(fd, fcntl.F_SETFL, oldflags)
x = False
while x == False:
	x = kbhit()
print(x)
