diff --git a/swea/3750.py b/swea/3750.py
new file mode 100644
index 0000000..7cf87a1
--- /dev/null
+++ b/swea/3750.py
@@ -0,0 +1,14 @@
+t=int(input())
+pr=[]
+for tc in range(1,t+1):
+    n=input()
+    while len(n)>1:
+        r=0
+        for c in n:
+            v=int(c)
+            r+=v
+        n=str(r)
+    pr.append("#{} {}".format(tc,n))
+
+for p in pr:
+    print(p)