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package com.zyj;

import java.util.HashMap;

import java.util.Map;

import java.util.Scanner;

/**

* 版权声明：CopyRight (c) 2018 ucarinc. All Rights Reserved.

*

* @author : 张勇杰

* @date : 2019/7/12 14:04

* @Version : v1.0

* @description

**/

public class NumberTest {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

String tip = scanner.next();

char[] arr = tip.toCharArray();

Integer result = operate(arr);

System.out.println("出现最多的数字为："+result);

}

public static Integer operate(char [] arr){

HashMap<String,Integer> map = new HashMap<>();

int max = 1;

for(int i = 0;i < arr.length; i++){

if(isNum(arr[i])){

int j = i;

StringBuilder sb = new StringBuilder();

while(j < arr.length && isNum(arr[j])){

sb.append(arr[j++]);

if(!map.containsKey(sb.toString())){

map.put(sb.toString(),1);

}else{

map.put(sb.toString(),map.get(sb.toString())+1);

if(map.get(sb.toString()) > max){

max = map.get(sb.toString());

}

}

}

}

}

int index = 0;

String [] barry = new String[map.size()];

for(Map.Entry<String, Integer> entry :map.entrySet()){

// System.out.println(entry.getKey()+"->"+entry.getValue());

if(entry.getValue() == max){

barry[index++] = entry.getKey();

}

}

int maxNum = Integer.valueOf(barry[0]);

for (int k = 0; k < index; k ++){

if(barry != null && Integer.valueOf(barry[k]) > maxNum){

maxNum = Integer.valueOf(barry[k]);

}

}

return maxNum;

}

public static boolean isNum(char c){

if(c >= '0' && c <= '9'){

return true;

}

return false;

}

}