#!/usr/bin/env python
# -*- coding: utf-8 -*-



def main():


    name = raw_input('enter name: ')
    number = raw_input('enter number: ')
    print dictkeeper(name, number)
    main()


    return 0

def dictkeeper(x, y):
    d = dict()

    for x in d:
        print "Name already in use."
        break

    d[x] = y
    print d


    return d

if __name__ == '__main__':
    main()