diff --git a/swea/1926.py b/swea/1926.py
new file mode 100644
index 0000000..00a7fb2
--- /dev/null
+++ b/swea/1926.py
@@ -0,0 +1,17 @@
+n=int(input())
+dont=set(['3','6','9'])
+
+for i in range(1,n+1):
+    s=str(i)
+
+    cnt369=0
+    for j in s:
+        if j in dont:
+            cnt369+=1
+
+    if cnt369>0:
+        for j in range(cnt369):
+            print("-",end="")
+        print("",end=" ")
+    else:
+        print(s,end=" ")
\ No newline at end of file