f = [1]*10002
sum = 0
for i in range(1 , 10001):
    f[i] = f[i - 1]*i
nums = list(map(int , input().split()))
for i in nums:
    sum += f[i]
print(sum)

def su(x):
    a=1
    for i in range(1,x+1):
        a*=i
    return a

a=input().split()
c=0

for i in a:
    b=int(i)
    c+=su(b)

print(c)