ACB = [['C'], ['C#', 'Db'], ['D'], ['D#', 'Eb'], ['E'], ['F'], ['F#', 'Gb'], ['G'], ['G#', 'Ab'], ['A'], ['A#', 'Bb'], ['B']]

def get_index_derivative_stage_note(note: str) -> int: 
    for i in range(len(ACB)):
        if type(ACB[i]) != list:
            continue

        for j in range(len(ACB[i])):
            if note == ACB[i][j]:
                return i


chords = (input("Введите ноты:"))
chord1, chord2, chord3 = chords.split()

find1 = get_index_derivative_stage_note(chord1)
find2 = get_index_derivative_stage_note(chord2)
find3 = get_index_derivative_stage_note(chord3)

if ((find1 - find2 == 3) and (find2 - find3 == 4)) or ((find2 - find1 == 3) and (find3 - find2 == 4)):
    print("Minor")
elif ((find1 - find2 == 4) and (find2 - find3 == 3)) or ((find2 - find1 == 4) and (find3 - find2 == 3)):
    print("Mijor")
else:
    print("not a chord")