Temperature Days Search

Given an array of integers representing daily temperatures, where each element is the temperature for a day, write a program that finds the index of the first day on which the temperature matches or exceeds a given target. If no such day exists, return -1. Input Format: - The first line contains a space-separated list of integers (daily temperatures). - The second line contains a single integer (the target temperature). Output Format: - A single integer representing the index of the first matching day or -1. Example: Input: 15 20 24 30 28 26 22 25 Output: 2