a, b, c = int(input()), int(input()), int(input())
if a == b == c:
    print("Равносторонний")
elif a == b != c or a != b == c or a == c != b: 
    print("Равнобедренный")
else:
    print("Разносторонний")

m = 1
num = int(input())
for count in range(1, num + 1):
    m *= count
print(m)

a, b, c = int(input()), int(input()), int(input())

if a < b < c or a > b > c:
    print(b)
elif b < c < a or b > c > a:
    print(c)
else:
    print(a)

m = int(input())

if m == 2:
    print('28')
elif m <= 7:
    print(30 + m%2 )
else: 
    print(31 - m%2 )

x = int(input())

if x == 2:
    print(28)
elif (x < 8 and x % 2 == 0) or (x > 7 and x % 2 != 0):
    print(30)
else:
    print(31)

num1 = int(input())
num2 = int(input())
sign = (input())

if num2 == 0 and sign == '/':
    print ('На ноль делить нельзя!')
else:
    if sign == ('/'):
        print (num1 / num2)
    elif sign == ('*'):
        print (num1 * num2)
    elif sign == ('+'):
        print (num1 + num2)
    elif sign == ('-'):
        print (num1 - num2)
    else:
        print('Неверная операция')