diff --git a/savingforretirement.py b/savingforretirement.py
new file mode 100644
index 0000000..8c796ed
--- /dev/null
+++ b/savingforretirement.py
@@ -0,0 +1,9 @@
+b, bret, bsav, a, asav = map(int, input().split())
+btot = (bret - b) * bsav
+atot = 0
+while True:
+    a += 1
+    atot += asav
+    if atot > btot:
+        print(a)
+        exit()