diff --git a/QUSTOJ/1728.c b/QUSTOJ/1728.c
new file mode 100644
index 0000000..0e99a6f
--- /dev/null
+++ b/QUSTOJ/1728.c
@@ -0,0 +1,6 @@
+#include <stdio.h>
+int main()
+{
+    printf("153 370 371 407 \n");
+    return 0;
+}