Условия выполнены и выполняются. Проверены в intelligence idea. public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int x1 = scanner.nextInt(); int x2 = scanner.nextInt(); int x3 = scanner.nextInt(); if (x1 == x2) { if (x2 == x3) { System.out.println(x1); System.out.println(x2); System.out.println(x3); } else { System.out.println(x1); System.out.println(x2); } } else if (x1 == x3) { System.out.println(x1); System.out.println(x3); } else if (x2 == x3) { System.out.println(x2); System.out.println(x3); } } }