# Enter your code here. Read input from STDIN. Print output to STDOUT
import sys
import re

def caseChange(input_lines): 
    lines = input_lines.strip().split("\n")
    
    for line in lines: 
        operation, var_type, words = line.split(";")
        #print(f"INPUT: {line}")
        #print(f"Operation:{operation}, Variable: {var_type}, Words:{words}")
    
        #split -- camel case to space-delimited list of words
        if operation == "S":
            words = re.sub(r'([a-z])([A-Z])', r'\1 \2', words).lower()
            output = words
          
            if var_type == "M":
                words = words.rstrip("()")
                output = words
            
            print(output)
    
        
    #combine -- space-delimited to camelCase
        elif operation == "C":
            split_words = words.split()
            
            if var_type == "C":
                output = ''.join(word.capitalize() for word in split_words)
                
            else: 
                output = split_words[0].lower() + "".join(word.capitalize() for word in split_words[1:])
            
            if var_type == "M":
                output += "()"
            
            print(output)

        
if __name__ == "__main__":
    for line in sys.stdin:
        caseChange(line.strip("\r\n"))