diff --git a/01/app.js b/01/app.js
index 96dc2f5..fc5a1cf 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,12 @@
-const randomNumber = Math.round(Math.random() * 20);
-console.log(randomNumber);
+const randomNumber = Math.round(Math.random() * 21);
+// let number = randomNumber;
+
+console.log('Wylosowana liczba to: ' + randomNumber)
+
+if (randomNumber >= 5) {
+    for (let i = 5; i <= randomNumber; i++) {
+        console.log(i);
+    }
+} else {
+    console.log("Wylosowana liczba jest zbyt mała, aby użyć pętli.");
+}
\ No newline at end of file
diff --git a/02/app.js b/02/app.js
index 8a41914..2ebbee6 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,19 @@
 const x = 5;
-let result = 0;
\ No newline at end of file
+let result = 0;
+
+for (let i = 1; i <= x; i++) {
+    result += i;
+}
+
+console.log("Wynik przy użyciu pętli for:", result);
+
+const y = 5;
+let result2 = 0;
+let j = 1;
+
+while (j <= y) {
+    result2 += j;
+    j++;
+}
+
+console.log("Wynik przy użyciu pętli while:", result2);
diff --git a/03/app.js b/03/app.js
index c26c886..53f0b68 100644
--- a/03/app.js
+++ b/03/app.js
@@ -1,3 +1,11 @@
-const x = 10;
+const x = 5;
 let iteration = 0;
-let randomNumber = -1;
\ No newline at end of file
+let randomNumber = -1;
+
+
+while (randomNumber !== x) {
+    randomNumber = Math.floor(Math.random() * 21); 
+    iteration++;
+}
+
+console.log("Liczba x została wylosowana po", iteration, "próbach.");
\ No newline at end of file