a = [[0],[1],[2,4,8,6],[3,9,7,1],[4,6],[5],[6],[7,9,3,1],[8,4,2,6],[9,1]]
x = int(input()) % len(a)
p = int(input()) % len(a[x])
print(a[x][p-1])
YSA9IFtbMF0sWzFdLFsyLDQsOCw2XSxbMyw5LDcsMV0sWzQsNl0sWzVdLFs2XSxbNyw5LDMsMV0sWzgsNCwyLDZdLFs5LDFdXQp4ID0gaW50KGlucHV0KCkpICUgbGVuKGEpCnAgPSBpbnQoaW5wdXQoKSkgJSBsZW4oYVt4XSkKcHJpbnQoYVt4XVtwLTFdKQ==