#include <iostream>
#include <vector>
#include <algorithm>
 
int solution(std::vector<int> inputarray);
using it = std::vector<int>::iterator;
 
int main() {
  std::vector<int> inputarray {5, 1, 2, 3, 1, 4};
  std::cout << solution(inputarray);
}
 
int solution(std::vector<int> inputarray){
	for(int a=0; a<inputarray.size()-1; ++a){
		inputarray[a] += inputarray[a+1];
	}
	return *std::minmax_element( std::begin(inputarray), std::end(inputarray)-1 )
		.first;
}

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