MagicSquare G

import java.util.Scanner;
class MagicSquare {
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    int[][] square = new int[4][4];
    System.out.println("Enter 16 numbers.");
    for(int i = 0; i < 4; i++) {
      for(int j = 0; j < 4; j++) {
        square[i][j] = in.nextInt();
      }
    }


    boolean hor0 = false;
    boolean hor1 = false;
    boolean hor2 = false;
    boolean hor3 = false;
    boolean ver0 = false;
    boolean ver1 = false;
    boolean ver2 = false;
    boolean ver3 = false;
    boolean dia0 = false;
    boolean dia1 = false;


    int test = square[0][0] + square[1][0] + square[2][0] + square[3][0];
    if(test == 16) {
      hor0 = true;
      test = square[0][1] + square[1][1] + square[2][1] + square[3][1];
      if(test == 16) {
        hor1 = true;
        test = square[0][2] + square[1][2] + square[2][2] + square[3][2];
        if(test == 16) {
          hor2 = true;
          test = square[0][3] + square[1][3] + square[2][3] + square[3][3];
          if(test == 16) {
            hor3 = true;
            test = square[0][0] + square[0][1] + square[0][2] + square[0][3];
          if(test == 16) {
            ver0 = true;
            test = square[1][0] + square[1][1] + square[1][2] + square[1][3];
            if(test == 16) {
              ver1 = true;
              test = square[2][0] + square[2][1] + square[2][2] + square[2][3];
              if(test == 16) {
                ver2 = true;
                test = square[3][0] + square[3][1] + square[3][2] + square[3][3];
                if(test == 16) {
                  ver3 = true;
                  test = square[0][0] + square[1][1] + square[2][2] + square[3][3];
                  if(test == 16) {
                    dia0 = true;
                    test = square[0][3] + square[1][2] + square[2][1] + square[3][0];
                    if(test == 16) {
                      dia1 = true;
                    }
                  }
                }
              }
            }
          }
         }
        }
      }
    }
    if(hor0 && hor1 && hor2 && hor3 && ver0 && ver1 && ver2 && ver3 && dia0 && dia1) {
      System.out.println("You made a magic square!");
      }
    else {
      System.out.println("You did not make a magic square.")
    }
    in.close();
  }
}