# Значения римских цифр
I, V, X = 1, 5, 10
 
# Наши примеры и их "перевод"
examples = [
    (7, '-', 5, '=', 11),  # VII - V = XI
    (11, '-', 5, '=', 6),   # XI - V = VI
    (6, '-', 9, '=', 3)    # VI - IX = III
]
 
print("Результаты проверки:")
 
for a, op, b, _, right in examples:
    if op == '+':
        result = a + b
    else:  # op == '-'
        result = a - b
 
    if result == right:
        print("верно")
    else:
        print("неверно")

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