diff --git a/01/app.js b/01/app.js
index 96dc2f5..01c8f40 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,12 @@
 const randomNumber = Math.round(Math.random() * 20);
 console.log(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..580f431 100644
--- a/02/app.js
+++ b/02/app.js
@@ -1,2 +1,16 @@
 const x = 5;
-let result = 0;
\ No newline at end of file
+let result = 0;
+
+// for(let i=0; i<=x; i++) {
+//     result = result + i;
+// }
+
+// console.log(result);
+
+let i = 0;
+while(i<=x) {
+    result = result + i;
+    i++;
+}
+
+console.log(result);
\ No newline at end of file
diff --git a/03/app.js b/03/app.js
index c26c886..cdfacad 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() * 20);
+    iteration++;
+}
+
+console.log(iteration);
\ No newline at end of file