diff --git a/intro/Task104.py b/intro/Task104.py
index 7ae4b42..876e71e 100644
--- a/intro/Task104.py
+++ b/intro/Task104.py
@@ -3,12 +3,10 @@
 
 """Rozwiązanie zadania 104."""
 
-def sum_from_one_to_n(number):
+def fahrenheit(number):
     """Placeholder"""
-    if number < 1:
-        return 0
-    ret = 0
-    for ile in range(1, number + 1):
-        ret += ile * ile
-    return ret
+    if number < -273.15:
+        return -459.67
+    number = number-273.15
+    return number