diff --git a/src/main/java/pl/edu/agh/hangman/ValidData.java b/src/main/java/pl/edu/agh/hangman/ValidData.java
new file mode 100644
index 00000000..60a1e0ad
--- /dev/null
+++ b/src/main/java/pl/edu/agh/hangman/ValidData.java
@@ -0,0 +1,41 @@
+package pl.edu.agh.hangman;
+
+public class ValidData {
+    private String word;
+    private boolean[] founded;
+
+    public ValidData(String word) {
+        this.word = word;
+        this.founded = new boolean[word.length()];
+    }
+
+    public String getWord() {
+        return word;
+    }
+
+    public void setWord(String word) {
+        this.word = word;
+    }
+
+    public boolean[] getFounded() {
+        return founded;
+    }
+
+    private boolean checkLetter(char letter) {
+
+        return word.contains(String.valueOf(letter));
+    }
+
+    public void updateFounded(char letter) {
+
+        boolean foundFlag = checkLetter(letter);
+
+        if (foundFlag) {
+            for (int i = 0; i < word.length(); i++) {
+                if (word.charAt(i) == letter) {
+                    founded[i] = true;
+                }
+            }
+        }
+    }
+}