1.

digits = [int(i) for i in input()]

print(min(digits) + digits[0])

2.

num = input()

summ = 0

numbers = [num[i:i+3] for i in range(len(num)-2)]

for n in numbers:

s = 0

for j in n:

s += int(j)

if s > summ:

summ = s

print(summ)

3.

x, n = int(input()), int(input())

print(x**n)