people, days = [int(i) for i in raw_input().strip().split()]
sol = "("
v = []
for i in range(people-3):
    x1 = people-3-i
    x2 = people-3-i+1
    if x1 % 2 == 0:
        x1 /= 2
    else:
        x2 /= 2
    v.append(x1*x2)
# sol = sol[:-1]
# sol += ")^{0}".format(str(days))
sol = str("{0}^{1}".format(str(sum(v)), str(days)))
print sol
# print len(sol)