diff --git a/pe018.py b/pe018.py
new file mode 100644
index 0000000..9c4ba72
--- /dev/null
+++ b/pe018.py
@@ -0,0 +1,21 @@
+tri_num=[
+ [75],
+ [95, 64],
+ [17, 47, 82],
+ [18, 35, 87, 10],
+ [20, 04, 82, 47, 65],
+ [19, 01, 23, 75, 03, 34],
+ [88, 02, 77, 73, 07, 63, 67],
+ [99, 65, 04, 28, 06, 16, 70, 92],
+ [41, 41, 26, 56, 83, 40, 80, 70, 33],
+ [41, 48, 72, 33, 47, 32, 37, 16, 94, 29],
+ [53, 71, 44, 65, 25, 43, 91, 52, 97, 51, 14],
+ [70, 11, 33, 28, 77, 73, 17, 78, 39, 68, 17, 57],
+ [91, 71, 52, 38, 17, 14, 91, 43, 58, 50, 27, 29, 48],
+ [63, 66, 04, 68, 89, 53, 67, 30, 73, 16, 69, 87, 40, 31],
+ [04, 62, 98, 27, 23, 9, 70, 98, 73, 93, 38, 53, 60, 04, 23]]
+ 
+for x in range(len(tri_num)-1,-1,-1):
+	for y in range(0,x):
+		tri_num[x-1][y]+=max(tri_num[x][y],tri_num[x][y+1])
+print tri_num[0][0]