def char_range(a, b):
    a = ord(a)
    b = ord(b)
    for i in range(a + 1, b):
        print(f"{chr(i)}", end=" ")


a = input()
b = input()
char_range(a, b)

0b83f0cb26a1c2be255071686b434b7af6c6bd77
<mask token>

def char_range(a, b):
    a = ord(a)
    b = ord(b)
    for i in range(a + 1, b):
        print(f'{chr(i)}', end=' ')


<mask token>

def char_range(a, b):
    a = ord(a)
    b = ord(b)
    for i in range(a + 1, b):
        print(f'{chr(i)}', end=' ')


<mask token>
char_range(a, b)

def char_range(a, b):
    a = ord(a)
    b = ord(b)
    for i in range(a + 1, b):
        print(f'{chr(i)}', end=' ')


a = input()
b = input()
char_range(a, b)

def char_range(a, b):
    a = ord(a)
    b = ord(b)
    for i in range(a + 1, b):
        print(f"{chr(i)}", end=" ")


a = input()
b = input()
char_range(a, b)
