diff --git a/ps008.py b/ps008.py
new file mode 100644
index 0000000..1f28fac
--- /dev/null
+++ b/ps008.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Sat Oct  5 00:05:26 2019
+
+@author: tanma
+"""
+
+import sys
+
+def get_prod(x, k):
+    n = list(str(x))
+    l = [int(i) for i in n]
+    prods = []
+    for i in range(len(l)-k):
+        a = 1
+        for j in range(i,i+k):
+            a *= l[j]
+        prods.append(a)
+
+    return max(prods) 
+
+
+t = int(input().strip())
+for a0 in range(t):
+    n,k = input().strip().split(' ')
+    n,k = [int(n),int(k)]
+    num = input().strip()
+    print(get_prod(num, k))
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