import java.util.*; public class NestedIfElse { public static void main(String args[]){ Scanner sc = new Scanner(System.in); int button = sc.nextInt(); if(button == 1){ System.out.println("Hello"); } else if(button == 2){ System.out.println("Namaste"); } else if(button == 3){ System.out.println("Bonjour"); } else{ System.out.println("Invalid Button"); } } }