12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

import sys

def main():
	print(power(1378, int(sys.stdin.readline()), mod=10))

def power(a, n, mod):
	cur_power = a
	ans = 1

	for i in range(32):
		if n & (1 << i):
			ans *= cur_power

		cur_power *= cur_power
		cur_power %= mod

	ans %= mod

	return ans


if __name__ == '__main__':
	main()
 	   	  									 	 		 	 	  		