diff --git a/app/zadanie01.js b/app/zadanie01.js
index 8c20173..797faa2 100644
--- a/app/zadanie01.js
+++ b/app/zadanie01.js
@@ -1 +1,11 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+
+const text = 'Bartek Jakoniuk';
+
+
+console.log(text);
+
+setTimeout(() => {
+   console.log('wita się z Node.js!')
+}, 5000);
+
diff --git a/app/zadanie02.js b/app/zadanie02.js
index 8c20173..8a0ab43 100644
--- a/app/zadanie02.js
+++ b/app/zadanie02.js
@@ -1 +1,18 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+
+const arr = ['Witam', 'się', 'z', 'programem', 'Node.js', 'w konsoli', 'i korzystam', 'z funkcji czasu!'];
+let counter = 0;
+
+
+
+const zadanie02 = setInterval(() => {
+    console.log(arr[counter]);
+    counter++;
+
+if (counter === arr.length){
+    clearInterval(zadanie02);
+}
+
+}, 1000);
+
+
diff --git a/app/zadanie03.js b/app/zadanie03.js
index 8c20173..4431372 100644
--- a/app/zadanie03.js
+++ b/app/zadanie03.js
@@ -1 +1,12 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+
+
+
+process.argv.splice(0,2);
+
+const fn = (prev, curr) => {
+    return parseInt(prev) + parseInt(curr);
+}
+
+let	result = process.argv.reduce(fn);
+console.log(result);
\ No newline at end of file
diff --git a/app/zadanieDnia.js b/app/zadanieDnia.js
index 8c20173..df73731 100644
--- a/app/zadanieDnia.js
+++ b/app/zadanieDnia.js
@@ -1 +1,20 @@
-//Twój kod
\ No newline at end of file
+//Twój kod
+
+
+process.argv.splice(0,2);
+
+fn = (a, b) => {
+    return parseInt(a) > parseInt(b);
+}
+
+process.argv.sort(fn);
+
+for ( let i = 0; i< process.argv.length; i++){
+
+let value = parseInt(process.argv[i]);
+
+    setTimeout(() => {
+console.log(parseInt(value))
+
+    }, 1000*value);
+}
\ No newline at end of file