diff --git a/01/app.js b/01/app.js
index 96dc2f5..f5e45bf 100644
--- a/01/app.js
+++ b/01/app.js
@@ -1,2 +1,10 @@
-const randomNumber = Math.round(Math.random() * 20);
-console.log(randomNumber);
+const randomNumber = Math.round(Math.random() * 21);
+console.log("Wylosowana liczba:", randomNumber);
+
+  if (randomNumber < 5) {
+    console.log("Wylosowana liczba jest za mała, aby użyć pętli");
+  } else {
+        for (let i = 5; i <= randomNumber; i++) {
+            console.log(i)
+        }
+  }
diff --git a/02/app.js b/02/app.js
index 8a41914..d797e9a 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 <= x; i++) {
+    result += i;
+    console.log(result);
+}
+
+console.log("Wynik:", result);
+
+
+
+const xy = 5;
+let sum = 0;
+
+let j =0;
+while(j <= xy) {
+    sum += j;
+    console.log(sum);
+    j++;
+}
+
+console.log("Wynik z pętli while:", sum);
\ No newline at end of file
diff --git a/03/app.js b/03/app.js
index c26c886..3db3c1f 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(x !== randomNumber) {
+    randomNumber = Math.round(Math.random() * 25);
+    iteration++;
+    console.log("Wylosowany numer:", randomNumber);
+    console.log("Poszukiwany numer:", x);
+}
+
+console.log("Potrzebowałeś", iteration, "prób");
\ No newline at end of file