diff --git "a/03-\320\232\320\276\320\264\320\270\321\200\320\276\320\262\320\260\320\275\320\270\320\265 \321\207\320\270\321\201\320\265\320\273/index.js" "b/03-\320\232\320\276\320\264\320\270\321\200\320\276\320\262\320\260\320\275\320\270\320\265 \321\207\320\270\321\201\320\265\320\273/index.js"
new file mode 100644
index 0000000..a927d70
--- /dev/null
+++ "b/03-\320\232\320\276\320\264\320\270\321\200\320\276\320\262\320\260\320\275\320\270\320\265 \321\207\320\270\321\201\320\265\320\273/index.js"	
@@ -0,0 +1,32 @@
+function fizzbuzz() {
+  return {
+    callCount: 0,
+    value: 0,
+
+    next() {
+      if (this.callCount === 0) {
+        value = BigInt(1);
+      } else if (this.callCount === 1) {
+        value = BigInt(2);
+      } else if (this.callCount%2 === 0) {
+        value = 'Fizz';
+      } else {
+        value = 'Buzz';
+      }
+
+      this.callCount++;
+
+      return {
+        done: false,
+        value,
+      };
+    }
+  }
+}
+
+const myFizzBazz = fizzbuzz();
+
+console.log(myFizzBazz.next().value); // 1n
+console.log(myFizzBazz.next().value); // 2n
+console.log(myFizzBazz.next().value); // Fizz
+console.log(myFizzBazz.next().value); // Buzz
diff --git "a/03-\320\232\320\276\320\264\320\270\321\200\320\276\320\262\320\260\320\275\320\270\320\265 \321\207\320\270\321\201\320\265\320\273/\320\221\320\260\320\267\320\260#3. \320\224\320\227.md" "b/03-\320\232\320\276\320\264\320\270\321\200\320\276\320\262\320\260\320\275\320\270\320\265 \321\207\320\270\321\201\320\265\320\273/\320\221\320\260\320\267\320\260#3. \320\224\320\227.md"
new file mode 100644
index 0000000..fdde786
--- /dev/null
+++ "b/03-\320\232\320\276\320\264\320\270\321\200\320\276\320\262\320\260\320\275\320\270\320\265 \321\207\320\270\321\201\320\265\320\273/\320\221\320\260\320\267\320\260#3. \320\224\320\227.md"	
@@ -0,0 +1,14 @@
+# ДЗ к лекции База#3
+
+## Написать программу FizzBuzz используя BigInt
+
+```
+const myFizzBazz = fizzbuzz();
+
+myFizzBazz.next(); // 1n
+myFizzBazz.next(); // 2n
+myFizzBazz.next(); // Fizz
+myFizzBazz.next(); // Buzz
+myFizzBazz.next(); // Fizz
+// ...
+```