diff --git a/src/MeetupId.swift b/src/MeetupId.swift
index 41f6172..4db3661 100644
--- a/src/MeetupId.swift
+++ b/src/MeetupId.swift
@@ -7,21 +7,23 @@ enum MeetupId {
     case meetupIdTextUI
   }
 
-  static func shouldFormat(_ s: String) -> String? {
-      let digits = s.components(separatedBy: NSCharacterSet.decimalDigits.inverted).reduce("") { $0 + $1 }
-      var r = ""
-      var i = 0
-      for v in digits {
-          r += String(v)
-          i = i + 1
-          if i % 3 == 0 {
-              r += "-"
-          }
+  static func onlyFormat(_ s: String) -> String? {
+    let digits = s.components(separatedBy: NSCharacterSet.decimalDigits.inverted).reduce("") { $0 + $1 }
+    var r = ""
+    var i = 0
+    // Делим каждые три цифры дефисом.
+    for v in digits {
+      r += String(v)
+      i = i + 1
+      if i % 3 == 0 {
+          r += "-"
       }
-      if r.hasSuffix("-") {
-          r = String(r.dropLast(1))
-      }
-      return r
+    }
+    // Исключаем дефис в конце.
+    if r.hasSuffix("-") {
+      r = String(r.dropLast(1))
+    }
+    return r
   }
 }
 
diff --git a/src/VM.swift b/src/VM.swift
index a4ac538..0935b5e 100644
--- a/src/VM.swift
+++ b/src/VM.swift
@@ -6,7 +6,7 @@ final class VM: ObservableObject {
   let format = Bus.Processor(
     MeetupId.K.meetupIdTextUI.rawValue,
     MeetupId.K.meetupIdTextApp.rawValue,
-    MeetupId.shouldFormat
+    MeetupId.onlyFormat
   )
   var subscriptions = [AnyCancellable]()