Find the sum of all elements at odd indices.

Difficulty: Easy

Phase: 6 · Mixed Logical Challenges

XP Reward: 10 XP

Topics: Mixed Logical Challenges, Easy

Supported Languages: Python, JavaScript, C, C++, Java

Problem Description

Given array of N integers, check if there exists a triplet (a, b, c) such that a + b + c = 0. Print 'Yes' or 'No'. Input Format: Read input from standard input (stdin). Output Format: Print the result to standard output (stdout).

Constraints

-10^9 <= N <= 10^9

Examples

Example 1

Input: 5 -1 0 1 2 -1

Output: Yes

Explanation: Sample execution for input 5 -1 0 1 2 -1