def timeConversion(s):
    # Write your code here
    hour = int(s[0]+s[1])
    if s[8:] == "AM":
        if hour == 12:
            hour = 0
    elif s[8:] == "PM":
        if hour != 12:
            hour += 12
            
    return f"{hour:02d}{s[2:8]}"