23401

# 1
students = input().split()
students_dict = {}
for i in range(0, len(students), 2):
    student = students[i]
    number = int(students[i+1])
    students_dict[student] = number
print(students_dict)

# 2
products = input().split()
order = input().split()
products_storage = {}
for i in range(0, len(products), 2):
    product = products[i]
    quantity = int(products[i + 1])
    if product not in products_storage:
        products_storage[product] = quantity
    else:
        products_storage[product] += quantity
for item in range(0, len(order)):
    ordered_item = order[item]
    if ordered_item in products_storage:
        print(f'We have {products_storage[ordered_item]} of {ordered_item} left')
    else:
        print(f'Sorry, we dont have {ordered_item}')

# 3
products_stock = {}
while True:
    command = input()
    if command == 'START':
        break
    else:
        product, quantity = command.split(': ')
        quantity = int(quantity)
        if product not in products_stock:
            products_stock[product] = quantity
        else:
            products_stock[product] += quantity
total_products = len(products_stock)
total_quantity = sum(products_stock.values())
print('Products in stock: ')
for key in products_stock:
    print(f'- {key}: {products_stock[key]}')
print(f'Total Products: {total_products}')
print(f'Total Quantity: {total_quantity}')

# 4
student_dict = {'I-ви курс': [], 'II-ри курс': [], 'III-ти курс': [], 'IV-ти курс': [], 'V-ти курс': []}
while True:
    command = input()
    if command in student_dict.keys():
        final_command = command
        break
    else:
        name, number, course = command.split(':')
        student_dict[course].append((name, number))
for student in student_dict[final_command]:
    print(f"{student[0]} - {student[1]}")


# 5
ascii_dict = {}
ascii_input = input().split(', ')
for item in ascii_input:
    ascii_dict[item] = ord(item)
print(ascii_dict)

# 6
words = input().split()
lower_words_dict = {}
for word in words:
    if word.lower() not in lower_words_dict:
        lower_words_dict[word.lower()] = 1
    else:
        lower_words_dict[word.lower()] += 1
for i in lower_words_dict.keys():
    if lower_words_dict[i] > 1:
        print(i, end=' ')