Toggle case for every alternate word in a sentence.

Difficulty: Medium

Phase: 6 · Mixed Logical Challenges

XP Reward: 20 XP

Topics: Mixed Logical Challenges, Medium

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

Problem Description

Given N followed by an N x N matrix, print sum of primary diagonal and sum of secondary diagonal in format 'Primary: P, Secondary: S'. 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: 3 1 2 3 4 5 6 7 8 9

Output: Primary: 15, Secondary: 15

Explanation: Sample execution for input 3 1 2 3 4 5 6 7 8 9