diff --git a/01/app.js b/01/app.js
index 96dc2f5..12aab16 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,9 @@
 const randomNumber = Math.round(Math.random() * 20);
 console.log(randomNumber);
+
+if(randomNumber > 5) {
+ for(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..1b983d7 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=1; i<=x; i++) {
+//     result = result + i;
+//     console.log('i=',i,'result=',result)
+// }
+// console.log(result)
+
+let i=1
+while(i<=x) {
+    result = result + i;
+    i++
+    console.log('i=',i,'result=',result)
+}
+console.log(result)
\ No newline at end of file
diff --git a/03/app.js b/03/app.js
index c26c886..0f8a5aa 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(randomNumber, iteration)
+}
+console.log(x,'została wylosowana za', iteration, 'razem')
\ No newline at end of file