diff --git a/main.cpp b/main.cpp
index 83a668a..ebc6bb2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,6 +1,43 @@
 #include "std_lib_inc.h"
 
+const vector<string> first_digit_strings = {
+"", "ein", "zwei", "drei", "vier", "fuenf", "sechs", "sieben", "acht", "neun"
+};
+
+const vector<string> middle_digit_strings = {
+"", "zehn", "zwanzig", "deissig", "vierzig", "fuenfzig", "sechzig", "siebzig", "achzig", "neunzig"
+};
+
 int main()
 {
+    int input;
+    // ReSharper disable once CppDFAEndlessLoop
+    while (true)
+    {
+        cin >> input;
+        if (!cin)
+            break;
+        if (input < 1 || input > 999)
+        {
+            cout << "Zahl ausserhalb des gueltigen Bereichs.\n";
+            continue;
+        }
+        int input_length = static_cast<int>(std::to_string(input).length());
+        int first_digit = input % 10;
+        vector<string> result;
+        result.push_back(first_digit_strings[first_digit]);
+
+        int middle_digit = ((input % 100) - first_digit) / 10;
+        result.push_back(middle_digit_strings[middle_digit]);
+
+        if (input_length == 3)
+        {
+            int last_digit = ((input % 1000) - middle_digit) / 100;
+            result.push_back(first_digit_strings[last_digit] + "hundert");
+        }
+
+        cout << result[2] << result[0] << "und" << result[1] << "\n";
+    }
+    cout << "Eingabe beendet.\n";
     return 0;
-}
\ No newline at end of file
+}