Завдання1.py

""" 
1. «Sum of three numbers»
"""
a = int(input())
b = int(input())
c = int(input())
print(a + b + c)

""" 
2. «Area of a right triangle»
"""
b = int(input())
h = int(input())
print(b*h/2)

""" 
3.  «Apple sharing» 
"""
n = int(input())
k = int(input())
print(k // n)
print(k % n)

""" 
4.  «Digital clock» 
"""
n = int(input())
hours_raw = n // 60
hours = 0 if hours_raw == 24 else hours_raw
minutes = n % 60
if hours > 24:
    print(hours - (hours // 24) * 24, minutes)
else:
    print(hours, minutes)
    
""" 
5.  «Hello, Harry!» 
"""    
a = input()
print('Hello, {0}!'.format(a))

""" 
6.  «Previous and next»
"""
a = int(input())
print('The next number for the number {0} is {1}.'.format(a, a + 1))
print('The previous number for the number {0} is {1}.'.format(a, a - 1))

""" 
7.  «School desks»
"""

group_1 = int(input())
group_2 = int(input())
group_3 = int(input())
res = group_1 // 2 + group_1 % 2 + \
      group_2 // 2 + group_2 % 2 + \
      group_3 // 2 + group_3 % 2
print(res)