n = int(input())
result = 0
if n%6 == 0:
    result = 4
elif n%6 == 2:
    result = 1 
elif n%6 == 8:
    result = 7
elif n%6 == 5:
    result = 5
elif n%6 == 7:
    result = 8
elif n%6 == 1:
    result = 2
print(result)