07. Group of 10's

sequence_of_numbers = [int(num) for num in input().split(", ")]

for i in range(1, int(-(-(max(sequence_of_numbers) / 10) // 1)) + 1):
    print(f"Group of {i}0's: {[sequence_of_numbers[x] for x in range(len(sequence_of_numbers)) if sequence_of_numbers[x] in range(i * 10 - 10 + 1, i * 10 + 1)]}")