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diff --git a/challenge-134/abigail/java/ch-2.java b/challenge-134/abigail/java/ch-2.java
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+//
+// See ../README.md
+//
+
+//
+// Run as: ln ch-2.java ch2.java; javac ch2.java; java ch2 < input-file
+//
+
+import java.util.*;
+import java.util.Hashtable;
+import java.util.Map;
+
+public class ch2 {
+ public static void main (String [] args) {
+ Scanner scanner = new Scanner (System . in);
+ try {
+ while (true) {
+ int n = scanner . nextInt ();
+ int m = scanner . nextInt ();
+
+ Map <Integer, Integer> seen =
+ new Hashtable <Integer, Integer> ();
+
+ for (int i = 1; i <= n; i ++) {
+ for (int j = 1; j <= m; j ++) {
+ seen . put (i * j, 1);
+ }
+ }
+ System . out . println (seen . size ());
+ }
+ }
+ catch (Exception e) {
+ //
+ // EOF
+ //
+ }
+ }
+}