23401

# 1
num1, num2 = input().split(', ')
num1, num2 = num1, num2
try:
    print(int(num1) / int(num2))
except ZeroDivisionError:
    print("You cannot divide by zero")
except ValueError:
    print("You cannot divide by symbol")

# 2
numbers = [int(x) if x.isnumeric() else str(x) for x in input().split()]
try:
    if numbers:
        print(sum(numbers))
    else:
        print("You cannot sum empty list!")
except TypeError:
    print("You can not sum int and str")

# 3
number = input()
try:
    result = int(float(number))
    print(result)
except ValueError:
    print("You can not make string to integer")

# 4
data = input().split()
people = {}
for i in range(0, len(data), 2):
    name = data[i]
    age = int(data[i+1])
    people[name] = age
names_to_check = input().replace(" ", "").split(",")
results = []
try:
    for name in names_to_check:
        if name in people:
            results.append(str(people[name]))
        else:
            raise KeyError
    print(", ".join(results))
    print("Those were ages of the people")
except KeyError:
    print("This person does not exist in this dictionary")

# 5
data = input().split()
people = {}
for i in range(0, len(data), 2):
    name = data[i]
    age = int(data[i+1])
    people[name] = age
names_to_check = input().replace(" ", "").split(",")
people_list = list(people.keys())
results = []
try:
    for name in names_to_check:
        if name in people_list:
            results.append(name)
        else:
            raise KeyError
    print(", ".join(results))
    print("Deletion was successful")
except KeyError:
    print("Element is not in the list")
print("This is my program")