def timeConversion(s):
    
    if s[-2:] == 'AM':
        h = int(s[0:2]) % 12
    else:
        h = int(s[0:2]) % 12 + 12
    
    h = '0' + str(h) if h < 12 else str(h)
    return h + s[2:6] + s[6:8]