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题目 2069:

[STL训练]Let the Balloon Rise

时间限制: 1s 内存限制: 128MB 提交: 303 解决: 128

题目描述

Contest time again! How excited it is to see balloons floating around.  But to tell you a secret, the judges' favorite time is guessing the most popular problem. When the contest is over, they will count the balloons of each color and find the result.This year, they decide to leave this lovely job to you. 

输入格式

Input contains multiple test cases. Each test case starts with a number N (0 < N <= 1000) -- the total number of balloons distributed. The next N lines contain one color each. The color of a balloon is a string of up to 15 lower-case letters.A test case with N = 0 terminates the input and this test case is not   to be processed.

输出格式

For each case, print the color of balloon for the most popular problem on a single line. It is guaranteed that there is a unique solution for each test case.

样例输入

5 
green 
red 
blue 
red 
red 
3 
pink 
orange 
pink 
0

样例输出

red 
pink

提示

零基础的同学可以先学习基础,教程见:  C语言教程C++教程编译器教程数据结构教程Python教程单片机教程

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