by @stud. Adam Tykutskyi Fork
 
id_c461e832_f574_46d0_8b83_0ca21def40f6 Begin id_4ba69f64_a7be_40e7_90f5_4d3a02883327 x id_c461e832_f574_46d0_8b83_0ca21def40f6:s->id_4ba69f64_a7be_40e7_90f5_4d3a02883327:n id_e6e55e31_8ec5_4d84_83df_b6a63739c161 "dammi il numero" id_4ba69f64_a7be_40e7_90f5_4d3a02883327:s->id_e6e55e31_8ec5_4d84_83df_b6a63739c161:n id_eeb7cf45_2765_43f6_a681_0238fc4905f5 x id_e6e55e31_8ec5_4d84_83df_b6a63739c161:s->id_eeb7cf45_2765_43f6_a681_0238fc4905f5:n id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc x>=0 id_eeb7cf45_2765_43f6_a681_0238fc4905f5:s->id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc:n true_dummy_up_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc:e->true_dummy_up_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc true false_dummy_up_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc:w->false_dummy_up_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc false id_3d3090e8_2aef_4d53_b504_a8d46a933eb6 "positivo" true_dummy_up_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc->id_3d3090e8_2aef_4d53_b504_a8d46a933eb6:n id_ec776176_a3a6_44e5_8a3c_7f3560f9cd1f "negativo" false_dummy_up_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc->id_ec776176_a3a6_44e5_8a3c_7f3560f9cd1f:n true_dummy_down_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc id_3d3090e8_2aef_4d53_b504_a8d46a933eb6:s->true_dummy_down_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc:n false_dummy_down_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc id_ec776176_a3a6_44e5_8a3c_7f3560f9cd1f:s->false_dummy_down_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc:n end_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc true_dummy_down_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc->end_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc false_dummy_down_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc->end_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc id_cb5702e2_4ba7_4a1f_bcde_f0efed8b0489 End end_id_9bfba0c7_c1d7_4232_9f3d_ee9865fb57cc:s->id_cb5702e2_4ba7_4a1f_bcde_f0efed8b0489:n
import java.util.*;

public class NewProgram {
  static Scanner scanner = new Scanner(System.in);

  public static void main(String args[]) {
    int x = 0;
    System.out.println("dammi il numero");
    x = scanner.nextInt();
    if (x >= 0) {
      System.out.println("positivo");
    } else {
      System.out.println("negativo");
    }
  }
}