#1)
n = int(input())
m = int(input())
a = []
a.append(n)
a.append(m)
print(a,sum(a))
#Ответ: [12,34] 46


#2)
x = input()
x = x.split(' ')
a = []
for i in range(len(x)):
    a.append(x[i])
print(a[0], a[-1])
#Ответ: Программирование школы

#3)
s = ''
x = input()
x = x.split(' ')
a = []
for i in range(len(x)):
    a.append(x[i])
    if len(a[i]) > len(s):
        s = a[i]
print(s)
#Ответ: нетипичный

#4)
n = int(input())
a = []
for i in range(1,n + 1):
    if i % 3 == 0 or i % 5 == 0:
        a.append(i)
print(sum(a))
#Ответ: 234168

#5)
maxim = 0
x = input()
x = x.split(' ')
a = []
count = 0
for i in range(len(x)):
    a.append(x[i])
for x in a:
    if a.count(x) > maxim:
        maxim = a.count(x)
        print(x)
#Ответ: cat