diff --git a/phase2/.gitignore b/phase2/.gitignore
index cfa3316..bd0389f 100644
--- a/phase2/.gitignore
+++ b/phase2/.gitignore
@@ -7,5 +7,4 @@ phase1radix2m*
 /*.json
 /*.bin
 /*.params
-/*.circom
 /verifier.sol
\ No newline at end of file
diff --git a/phase2/circuit.circom b/phase2/circuit.circom
new file mode 100644
index 0000000..ade4725
--- /dev/null
+++ b/phase2/circuit.circom
@@ -0,0 +1,15 @@
+template Num2Bits(n) {
+    signal input in;
+    signal output out[n];
+    var lc1=0;
+
+    for (var i = 0; i<n; i++) {
+        out[i] <-- (in >> i) & 1;
+        out[i] * (out[i] -1 ) === 0;
+        lc1 += out[i] * 2**i;
+    }
+
+    lc1 === in;
+}
+
+component main = Num2Bits(253);
\ No newline at end of file
diff --git a/phase2/input.json b/phase2/input.json
new file mode 100644
index 0000000..ec2e84c
--- /dev/null
+++ b/phase2/input.json
@@ -0,0 +1 @@
+{"in": 42}
\ No newline at end of file
diff --git a/phase2/test.sh b/phase2/test.sh
index eed736a..e33ec2b 100755
--- a/phase2/test.sh
+++ b/phase2/test.sh
@@ -29,7 +29,7 @@ cargo run --release --bin verify_contribution circuit.json circom3.params circom
 # generate resulting keys
 cargo run --release --bin export_keys circom4.params vk.json pk.json
 # create dummy keys in circom format
-echo "generating dummy key files..."
+echo "Generating dummy key files..."
 npx snarkjs setup --protocol groth
 # patch dummy keys with actual keys params
 cargo run --release --bin copy_json proving_key.json pk.json transformed_pk.json