diff --git a/zamka.py b/zamka.py
new file mode 100644
index 0000000..a4ab500
--- /dev/null
+++ b/zamka.py
@@ -0,0 +1,26 @@
+import sys
+
+l = int(sys.stdin.readline())
+d = int(sys.stdin.readline())
+x = int(sys.stdin.readline())
+
+def sum_of_digits(n: int) -> int:
+    ans = 0
+    for _ in range(5):
+        digit = n % 10
+        ans += digit
+        n -= digit
+        n = int(n / 10)
+    return ans
+
+for i in range(l, d + 1):
+    if sum_of_digits(i) == x:
+        n = i
+        break
+
+for i in range(d, l - 1, - 1):
+    if sum_of_digits(i) == x:
+        m = i
+        break
+
+print(n, m, sep='\n')