Timeconversion_hackerranksolutions31

data = input()
if data[-2:]=='PM' and int(data[:2])!=12:
 hour = data[:2]
 hour=int(hour)+12
 less = data[2:-2]
 datas=str(hour)+less
 print(datas)
elif data[-2:]=='AM' and int(data[:2])!=12:
 print(data[0:-2])
elif data[-2:]=='AM' and data[:2]=='12':
 temp='00'
 datas=temp+data[2:-2]
 print(datas)
elif data[-2:]=='PM' and int(data[:2])==12:
 print(data[:-2])