diff --git a/projects/02/Add16.hdl b/projects/02/Add16.hdl
index aa7604d..dee37d3 100644
--- a/projects/02/Add16.hdl
+++ b/projects/02/Add16.hdl
@@ -14,4 +14,20 @@ CHIP Add16 {
 
     PARTS:
    // Put you code here:
+   HalfAdder(a=a[0], b=b[0], sum=out[0], carry=carry1);
+   FullAdder(a=a[1], b=b[1], c=carry1, sum=out[1], carry=carry2);
+   FullAdder(a=a[2], b=b[2], c=carry2, sum=out[2], carry=carry3);
+   FullAdder(a=a[3], b=b[3], c=carry3, sum=out[3], carry=carry4);
+   FullAdder(a=a[4], b=b[4], c=carry4, sum=out[4], carry=carry5);
+   FullAdder(a=a[5], b=b[5], c=carry5, sum=out[5], carry=carry6);
+   FullAdder(a=a[6], b=b[6], c=carry6, sum=out[6], carry=carry7);
+   FullAdder(a=a[7], b=b[7], c=carry7, sum=out[7], carry=carry8);
+   FullAdder(a=a[8], b=b[8], c=carry8, sum=out[8], carry=carry9);
+   FullAdder(a=a[9], b=b[9], c=carry9, sum=out[9], carry=carry10);
+   FullAdder(a=a[10], b=b[10], c=carry10, sum=out[10], carry=carry11);
+   FullAdder(a=a[11], b=b[11], c=carry11, sum=out[11], carry=carry12);
+   FullAdder(a=a[12], b=b[12], c=carry12, sum=out[12], carry=carry13);
+   FullAdder(a=a[13], b=b[13], c=carry13, sum=out[13], carry=carry14);
+   FullAdder(a=a[14], b=b[14], c=carry14, sum=out[14], carry=carry15);
+   FullAdder(a=a[15], b=b[15], c=carry15, sum=out[15], carry=carry);
 }
\ No newline at end of file
diff --git a/projects/02/Add16.out b/projects/02/Add16.out
new file mode 100644
index 0000000..20f9c65
--- /dev/null
+++ b/projects/02/Add16.out
@@ -0,0 +1,7 @@
+|        a         |        b         |       out        |
+| 0000000000000000 | 0000000000000000 | 0000000000000000 |
+| 0000000000000000 | 1111111111111111 | 1111111111111111 |
+| 1111111111111111 | 1111111111111111 | 1111111111111110 |
+| 1010101010101010 | 0101010101010101 | 1111111111111111 |
+| 0011110011000011 | 0000111111110000 | 0100110010110011 |
+| 0001001000110100 | 1001100001110110 | 1010101010101010 |
diff --git a/projects/02/FullAdder.hdl b/projects/02/FullAdder.hdl
index 67559c3..db260c7 100644
--- a/projects/02/FullAdder.hdl
+++ b/projects/02/FullAdder.hdl
@@ -14,4 +14,7 @@ CHIP FullAdder {
 
     PARTS:
     // Put you code here:
+	HalfAdder(a=a, b=b, sum=sum1, carry=carry1);
+	HalfAdder(a=sum1, b=c, sum=sum, carry=carry2);
+	Xor(a=carry1, b=carry2, out=carry);
 }
\ No newline at end of file
diff --git a/projects/02/FullAdder.out b/projects/02/FullAdder.out
new file mode 100644
index 0000000..610181f
--- /dev/null
+++ b/projects/02/FullAdder.out
@@ -0,0 +1,9 @@
+|   a   |   b   |   c   |  sum  | carry |
+|   0   |   0   |   0   |   0   |   0   |
+|   0   |   0   |   1   |   1   |   0   |
+|   0   |   1   |   0   |   1   |   0   |
+|   0   |   1   |   1   |   0   |   1   |
+|   1   |   0   |   0   |   1   |   0   |
+|   1   |   0   |   1   |   0   |   1   |
+|   1   |   1   |   0   |   0   |   1   |
+|   1   |   1   |   1   |   1   |   1   |
diff --git a/projects/02/HalfAdder.hdl b/projects/02/HalfAdder.hdl
index 98b281f..ded2ce7 100644
--- a/projects/02/HalfAdder.hdl
+++ b/projects/02/HalfAdder.hdl
@@ -14,4 +14,6 @@ CHIP HalfAdder {
 
     PARTS:
     // Put you code here:
+	Xor(a=a, b=b, out=sum);
+	And(a=a, b=b, out=carry);
 }
diff --git a/projects/02/HalfAdder.out b/projects/02/HalfAdder.out
new file mode 100644
index 0000000..612c8e3
--- /dev/null
+++ b/projects/02/HalfAdder.out
@@ -0,0 +1,5 @@
+|   a   |   b   |  sum  | carry |
+|   0   |   0   |   0   |   0   |
+|   0   |   1   |   1   |   0   |
+|   1   |   0   |   1   |   0   |
+|   1   |   1   |   0   |   1   |
diff --git a/projects/02/Inc16.hdl b/projects/02/Inc16.hdl
index fb6c0dd..0147b30 100644
--- a/projects/02/Inc16.hdl
+++ b/projects/02/Inc16.hdl
@@ -14,4 +14,5 @@ CHIP Inc16 {
 
     PARTS:
    // Put you code here:
+   Add16(a=in, b[0]=true, out=out);
 }
\ No newline at end of file
diff --git a/projects/02/Inc16.out b/projects/02/Inc16.out
new file mode 100644
index 0000000..78de1fe
--- /dev/null
+++ b/projects/02/Inc16.out
@@ -0,0 +1,5 @@
+|        in        |       out        |
+| 0000000000000000 | 0000000000000001 |
+| 1111111111111111 | 0000000000000000 |
+| 0000000000000101 | 0000000000000110 |
+| 1111111111111011 | 1111111111111100 |