diff --git a/15.py b/15.py
index 399955c..0b424af 100755
--- a/15.py
+++ b/15.py
@@ -1,13 +1,15 @@
-import sys;
-
-def factorial(num):
-    result = 1;
-    for x in range (num,1,-1):
-        result *= x;
-    return result;
-
-def binomial(m,n):
-    return factorial(m)/(factorial(n)*factorial(m-n));
-
-dimension = int(sys.argv[1]);
-print "Result is: " + str(binomial(dimension*2,dimension));
+#!/usr/bin/python
+
+import sys;
+
+def factorial(num):
+    result = 1;
+    for x in range (num,1,-1):
+        result *= x;
+    return result;
+
+def binomial(m,n):
+    return factorial(m)/(factorial(n)*factorial(m-n));
+
+dimension = int(sys.argv[1]);
+print "Result is: " + str(binomial(dimension*2,dimension));
diff --git a/16.py b/16.py
index 2dbbe74..efb196e 100755
--- a/16.py
+++ b/16.py
@@ -1,12 +1,14 @@
-import math;
-import sys;
-
-def sumDigits(num):
-    sum = 0;
-    for i in range (0,len(num)):
-        sum += int(num[i]);
-
-    return sum;
-
-
-print "Result is: " + str(sumDigits(str(int(math.pow(int(sys.argv[1]),int(sys.argv[2]))))))
+#!/usr/bin/python
+
+import math;
+import sys;
+
+def sumDigits(num):
+    sum = 0;
+    for i in range (0,len(num)):
+        sum += int(num[i]);
+
+    return sum;
+
+
+print "Result is: " + str(sumDigits(str(int(math.pow(int(sys.argv[1]),int(sys.argv[2]))))))
diff --git a/17.py b/17.py
deleted file mode 100755
index f8c28ce..0000000
--- a/17.py
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/python
-
-S = [0,3,3,5,4,4,3,5,5,4,3,6,6,8,8,7,7,9,8,8]
-D = [0,3,6,6,5,5,5,7,6,6]
-H = 7
-T = 8
- 
-total = 0
-for i in range(1,1000):
-    c = i % 10 # singles digit
-    b = ((i % 100) - c) / 10 # tens digit
-    a = ((i % 1000) - (b * 10) - c) / 100 # hundreds digit
- 
-    if a != 0:
-        total += S[a] + H # "S[a] hundred
-        if b != 0 or c != 0: total += 3 # "and"
-    if b == 0 or b == 1: total += S[b * 10 + c]
-    else: total += D[b] + S[c]
- 
-total += S[1] + T
- 
-print "Result is: " + str(total)