# Program to receive list of numbers from user and identify the pairs whose product is even and sum is odd

numbers = []
select_flag = True
product_list = []
sum_list = []

while select_flag: # Loop to get list of numbers from the user
    inp = int(input("Enter a number: "))
    numbers.append(inp)
    check = input("Do you want to enter more numbers?  (y/n)")
    if check == "n": # If your stops entering
        break

for index, num in enumerate(numbers):
    for n,i in enumerate(numbers):
        temp_p = [] # Empty list to append numbers whose product is even
        temp_s = [] # Empty list to append numbers whose sum is odd
        if i != num and n > index: # check to multiply only numbers once
            p = i * numbers[index]
            s = i + numbers[index]
            if p % 2 == 0:
                temp_p.append(i)
                temp_p.append(numbers[index])
            if s % 2 == 1:
                temp_s.append(i)
                temp_s.append(numbers[index])
        if len(temp_p) != 0:
            product_list.append(temp_p)
        if len(temp_s) != 0:
            sum_list.append(temp_s)
print("The list of numbers are: ",numbers)
print("The pairs of numbers whose product is even are: ",product_list)
print("The pairs of numbers whose sum is odd are: ",sum_list)