#3.8
print('Hello, world!')
print('Hello, world!')
#5.6
print(102*0.6+225)
#6.7
a=50
b=100
c=None
print(a)
print(b)
print(c)
#6.8
mat,kor,eng,sci = map(int,input().split())
avg = (mat+kor+eng+sci)/4
print(int(avg))
#7.5
year, month, day, hour, minute, second = input().split()
print(year, month, day,sep='-',end=' ')
print(hour,minute, second, sep=':')
#8.5
kor, eng, mat, sci = map(int, input().split())
if kor>=90:
if eng>80:
if mat>85:
if sci>=80:
print(True)
#9.4
s= ''''python' is a "programming Language"
that lets you work quickly
and
integrate systems more effectively.'''
print(s)
#10.5
a = tuple(range(-10,10,int(input())))
print(a)
#11.9
a= input()
b= input()
print(a[1::2]+b[: :2])
#12.5
a = list(input.split())
b = list(input.split())
c = dict(zip(a,b))
print(c)