diff --git a/cold-puterscience.py b/cold-puterscience.py
new file mode 100644
index 0000000..557f1ca
--- /dev/null
+++ b/cold-puterscience.py
@@ -0,0 +1,3 @@
+_ = input()
+temperatures = map(int, input().split())
+print(sum([1 if t < 0 else 0 for t in temperatures]))