import textwrap

def wrap(string, max_width):
    
    str = textwrap.fill(text = string, width = max_width)
    
    return str

if __name__ == '__main__':
    string, max_width = input(), int(input())
    result = wrap(string, max_width)
    print(result)

import textwrap

def wrap(string, max_width):
    wrapper = textwrap.TextWrapper(width=max_width)
    
    return '\n'.join(wrapper.wrap(text = string))

if __name__ == '__main__':
    string, max_width = input(), int(input())
    result = wrap(string, max_width)
    print(result)

def wrap(string, max_width):
    strng = str(string[:max_width] + "\n")
    for i in range(max_width, len(string), max_width):
        strng = strng + string[i:i + max_width] + "\n"
    return strng