1 import java.util.ArrayList;
 2
 3 public class Main {
 4     public static ArrayList<String> list = new ArrayList<String>();
 5
 6     public static void main(String[] args) {
 7         for(int i = 11;i < 100;i++) {
 8             int i1 = i / 10, i2 = i % 10;
 9             if(i1 % 2 == 0 || i2 % 2 == 0)
10                 continue;
11             for(int j = 11;j < 100;j++) {
12                 int j1 = j / 10, j2 = j % 10;
13                 if(j1 % 2 == 0 || j2 % 2 == 0)
14                     continue;
15                 int result = i * j;
16                 if(result >= 1000 || result < 100 || result % 2 == 0)
17                     continue;
18                 int a1 = result % 10;
19                 int a2 = result / 10 % 10;
20                 int a3 = result / 100;
21                 if(a1 % 2 == 0 || a2 % 2 == 0 || a3 % 2 == 0)
22                     continue;
23                 StringBuffer s = new StringBuffer("");
24                 s.append(i);
25                 s.append("x");
26                 s.append(j);
27                 s.append(" = ");
28                 s.append(result);
29                 if(!list.contains(s.toString()))
30                     list.add(s.toString());
31             }
32         }
33         for(int i = 0;i < list.size();i++)
34             System.out.println(list.get(i));
35     }
36 }

13x15 = 195
13x55 = 715
13x75 = 975
15x13 = 195
15x37 = 555
15x53 = 795
17x35 = 595
17x55 = 935
35x17 = 595
37x15 = 555
53x15 = 795
55x13 = 715
55x17 = 935
75x13 = 975