diff --git a/lab33.py b/lab33.py
new file mode 100644
index 0000000..6509aed
--- /dev/null
+++ b/lab33.py
@@ -0,0 +1,17 @@
+data = input("Inserisci la tua data di nascita (formato AAAA MM GG): ")
+
+data_raw = data.replace(" ","")
+
+def somma_data(data_da_sommare):
+    data = 0
+    for ch in data_da_sommare:
+        data += int(ch)
+
+    return data
+
+a = somma_data(data_raw)
+
+while a >= 10:
+    a = somma_data(str(a))
+
+print("La cifra della vita è:", a)
\ No newline at end of file