diff --git a/01/app.js b/01/app.js
index 96dc2f5..ea6e5dc 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,10 @@
 const randomNumber = Math.round(Math.random() * 20);
-console.log(randomNumber);
+console.log('Wylosowana liczba: ', 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.');
+}
diff --git a/02/app.js b/02/app.js
index 8a41914..893edeb 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,17 @@
 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(result);
+
+let i = 1;
+
+while (i <= x) {
+	result += i;
+	i++;
+}
+
+console.log(result);
diff --git a/03/app.js b/03/app.js
index c26c886..48f4e5d 100644
--- a/03/app.js
+++ b/03/app.js
@@ -1,3 +1,10 @@
 const x = 10;
 let iteration = 0;
-let randomNumber = -1;
\ No newline at end of file
+let randomNumber = -1;
+
+while (randomNumber !== x) {
+	randomNumber = Math.round(Math.random() * 16);
+	iteration++;
+}
+
+console.log('Liczba iteracji: ', iteration);