x={}
while True:
    while True:
        a = input ("Add name :" )
        if a != 'stop':
            b = input ("Add number :")
            x[a] = b
        else:
            break

    while True:
        z = input ('Enter name for output on the screen number:')
        if z != 'stop':
            try:
                print(x[z])
            except:
                print('There is no such name. Try again')
        else:
            break
'''

class Note():
    def __init__(self):
        self.book = {}

    def add_name_and_number(self, name, number):
        self.book[name] = number

    def output_number(self, name):
        print(self.book[name])

Note = Note()
'''