def camel_to_pascal(camel):
return camel[0].upper() + camel[1:]
def camel_to_snake(camel):
snake = ''
for char in camel:
if char.isupper():
snake += '_' + char.lower()
continue
snake += char
return snake
def snake_to_camel(snake):
camel = ''
is_upper = False
for char in snake:
if is_upper:
camel += char.upper()
is_upper = False
continue
if char == '_':
is_upper = True
continue
camel += char
return camel
def pascal_to_camel(pascal):
return pascal[0].lower() + pascal[1:]
number, variable = input().split()
camel_case = ''
snake_case = ''
pascal_case = ''
if number == '1':
camel_case = variable
snake_case = camel_to_snake(camel_case)
pascal_case = camel_to_pascal(camel_case)
elif number == '2':
snake_case = variable
camel_case = snake_to_camel(snake_case)
pascal_case = camel_to_pascal(camel_case)
elif number == '3':
pascal_case = variable
camel_case = pascal_to_camel(pascal_case)
snake_case = camel_to_snake(camel_case)
print(camel_case)
print(snake_case)
print(pascal_case)
