age1=int(input('enter age1: '))
age2=int(input('enter age2: '))
age3=int(input('enter age3: '))
if age1>age2 and age1>age3:
    print('age1 is oldest')
elif age2>age1 and age2>age3:
    print('age2 is oldest')
else:
    print('age3 is oldest')
if age1<age2 and age1<age3:
    print('age1 is youngest')
elif age2<age1 and age2<age3:
    print('age2 is youngest')
else:
     print('age3 is youngest')