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+#!/usr/bin/env python
+
+# Challenge 102
+#
+# TASK #1 > Rare Numbers
+# Submitted by: Mohammad S Anwar
+#
+# You are given a positive integer $N.
+#
+# Write a script to generate all Rare numbers of size $N if exists. Please
+# checkout the page for more information about it.
+# Examples
+#
+# (a) 2 digits: 65
+# (b) 6 digits: 621770
+# (c) 9 digits: 281089082
+
+import sys
+import math
+
+def perfect_square(n):
+    sq = math.sqrt(float(n))
+    if math.floor(sq) == sq:
+        return True
+    else:
+        return False
+
+def print_rare(n):
+    for r in range(10**(n-1), 10**n):
+        r1 = int(str(r)[::-1])
+        if perfect_square(r+r1):
+            if r>=r1:
+                if perfect_square(r-r1):
+                    print(r)
+
+print_rare(int(sys.argv[1]))