def solve(s):
    string_list = re.split(r"( +)",s)
   
    for index,value in enumerate(string_list):
        if value[0].isalpha():
            string_list[index] = value.title()
    upper_string = ''.join(string_list)
    return upper_string

def solve(s):
    for match in re.finditer(r"\b\w", s):
        s = s[:match.start()] + s[match.start(): match.end()].upper() + s[match.end():]
    return s

def solve(s:str):
    last_char = " "
    final_string = ""
    for string in s:
        if last_char == " ":
            final_string+=string.upper()
        else:
            final_string+=string
        last_char = string
    return final_string

def solve(s):
    x=s.split(' ')
    for i in range(len(x)):
        x[i]=x[i].capitalize()
        text=" ".join(x)
    return text``