#include <vector>
#include <iostream>
#include <sstream>
#include <string>
using namespace std;class Solution {
public:int minNumberInRotateArray(vector<int> rotateArray) {if (rotateArray.empty()){return 0;}// 二分法int arr_len = rotateArray.size();int left=0, right = arr_len-1;if (rotateArray[left]<rotateArray[right]){return rotateArray[left];}// without rotate// with rotatewhile (left!=right){int media = (left+right)/ 2;if (rotateArray[media]>rotateArray[left]){left = media;}else if (rotateArray[media]<rotateArray[left]){right = media;}else{left++;}}return rotateArray[left];}
};int main()
{Solution obj;string x_in;vector<int> vec_x;while(getline(cin,x_in)){istringstream line(x_in);while(line){int temp=0;line>>temp;vec_x.push_back(temp);}vec_x.pop_back();//cout<<vec_x.size()<<endl;cout << obj.minNumberInRotateArray(vec_x)<<endl;vec_x.clear();}cin.get();cin.get();
}

# -*- coding:utf-8 -*-
import sys
class Solution:def minNumberInRotateArray(self, rotateArray):arr_len = len(rotateArray)if arr_len == 0:return 0;else:# 二分法left = 0right = arr_len-1media = (left+right)/2if rotateArray[left]<rotateArray[right]:return rotateArray[left]while not (media==left):if rotateArray[media]>rotateArray[left]:left = mediaelif rotateArray[media]<rotateArray[left]:right = mediaelse:left += 1media = (left+right)/2if rotateArray[left]>rotateArray[right]:return rotateArray[right]else:return rotateArray[left]if __name__ == '__main__':obj = Solution()while (1):x = raw_input().split()print obj.minNumberInRotateArray(x)