from random import randint

# def function(num):

#     result = 1

#     for n in range(1, num+1):
#         result *= n

#     return result

# m = int(input('m = '))
# n = int(input('n = '))

# print(function(m) // function(n) // function(m-n))


# def roll_dice(n=2):
    
#     total = 0
#     for _ in range(n):
#         total += randint(1, 6)
#     return total

# def add(a=0, b=0, c=0):
#     return a + b + c

# print(roll_dice())
# print(roll_dice(3))
# print(add())
# print(add(1))
# print(add(1,2))
# print(add(1,2,3))
# print(add(c=50, a=100, b=200))

def foo():
    pass
def bar():
    pass

if __name__ == '__main__':
    print('call foo()')
    foo()
    print('call bar()')
    bar()

print('0503')
