diff --git a/01/app.js b/01/app.js
index 96dc2f5..2e3d05e 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,14 @@
 const randomNumber = Math.round(Math.random() * 20);
 console.log(randomNumber);
+
+if (randomNumber > 5) {
+    for (let i = 5; i < randomNumber + 1; 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..748329e 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,23 @@
 const x = 5;
-let result = 0;
\ No newline at end of file
+let result = 0;
+
+
+
+for (let i = 0; i < 5 + 1; i++) {
+
+    result += i;
+    console.log(result);
+}
+
+
+
+/* WHILE LOOP
+let i=0;
+while(i<=5) {
+result += i;
+  i++;
+
+  console.log(result);
+}
+
+*/
\ No newline at end of file
diff --git a/03/app.js b/03/app.js
index c26c886..98294f6 100644
--- a/03/app.js
+++ b/03/app.js
@@ -1,3 +1,13 @@
 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() * 10);
+    iteration = iteration + 1;
+}
+
+console.log(iteration);
\ No newline at end of file