Create S1.py

Author: tinyCodersDen

2015/Senior Problems/S1.py

@@ -0,0 +1,8 @@
+l=[]
+for t in range(int(input())):
+    c = int(input(''))
+    if c!=0:
+        l.append(c)
+    else:
+        l.pop(-1)
+print(sum(l))