def timeConversion(s):
    # Write your code here
    if s[-2] == "P" and s[0:2] != "12":
        o = int(s[0:2])+ 12
        return f"{str(o)}:{s[3:8]}"
    elif  s[-2] == "A" and s[:2] == "12":
        return f"00:{s[3:8]}"
    else:
        return s[:-2]