diff --git a/BOJ/11721.py b/BOJ/11721.py
new file mode 100644
index 0000000..6767a68
--- /dev/null
+++ b/BOJ/11721.py
@@ -0,0 +1,11 @@
+# BOJ 브론즈2 11721
+# 열 개씩 끊어 출력하기
+
+n = input()
+cnt = 0
+
+for i in n:
+    print(i, end="")
+    cnt += 1
+    if cnt % 10 == 0:
+        print()
\ No newline at end of file