diff --git a/src/astackofgold.lua b/src/astackofgold.lua
new file mode 100644
index 00000000..6d132546
--- /dev/null
+++ b/src/astackofgold.lua
@@ -0,0 +1,2 @@
+w, s = io.read("*n","*n")
+print((w - s * (s + 1) // 2 * 29260) // 110)
diff --git a/src/astackofgold.py b/src/astackofgold.py
new file mode 100644
index 00000000..a69965b6
--- /dev/null
+++ b/src/astackofgold.py
@@ -0,0 +1,2 @@
+w, s = [int(d) for d in input().split()]
+print((w - s * (s + 1) // 2 * 29260) // 110)
diff --git a/src/sauna.lua b/src/sauna.lua
new file mode 100644
index 00000000..f47876b4
--- /dev/null
+++ b/src/sauna.lua
@@ -0,0 +1,19 @@
+n = io.read("*n")
+ma, mb = -1, 200001
+for _ = 1, n do
+    a, b = io.read("*n", "*n")
+    if a > ma then
+        ma = a
+    end
+    if b < mb then
+        mb = b
+    end
+    if ma > mb then
+        break
+    end
+end
+if ma <= mb then
+    print(mb - ma + 1, ma)
+else
+    print('bad news')
+end