1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
import sys

a = ""
b = ""

'''
try:
	fin = sys.argv[1]
	with open(fin, 'r') as fl:
		a = fl.readline()
		b = fl.readline()
except:
	sys.exit("Problem z plikiem wejściowym.")

a = a[:-1]
b = b[:-1]'''

a = input()
b = input()
a = a[::-1]
b = b[::-1]

komut = 0

if len(a) > len(b):
	mini = b
	maxi = a
else:
	mini = a
	maxi = b

del a, b

wyn = []
i = 0
while i < len(mini):
	tmp = int(mini[i]) + int(maxi[i]) + komut
	if tmp > 9:
		komut = 1
		wyn.append(tmp % 10)
	else:
		komut = 0
		wyn.append(tmp)
	i += 1

j = len(mini)
while j < len(maxi):
	tmp = int(maxi[j]) + komut
	if tmp > 9:
		komut = 1
		wyn.append(tmp % 10)
	else:
		komut = 0
		wyn.append(tmp)
	j += 1

if komut == 1:
	wyn.append(komut)

last = wyn[::-1]
str_last = ""
for i in last:
	str_last += str(i)

print(str_last)