diff --git a/day-1/makefile b/day-1/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-1/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-1/run.sh b/day-1/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-1/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-10/makefile b/day-10/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-10/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-10/run.sh b/day-10/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-10/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-11/makefile b/day-11/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-11/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-11/run.sh b/day-11/run.sh
deleted file mode 100644
index 3f6776a..0000000
--- a/day-11/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-12/run.sh b/day-12/run.sh
deleted file mode 100755
index fd3a025..0000000
--- a/day-12/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
diff --git a/day-2/makefile b/day-2/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-2/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-2/run.sh b/day-2/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-2/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-3/makefile b/day-3/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-3/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-3/run.sh b/day-3/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-3/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-4/makefile b/day-4/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-4/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-4/run.sh b/day-4/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-4/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-5/makefile b/day-5/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-5/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-5/run.sh b/day-5/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-5/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-6/makefile b/day-6/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-6/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-6/run.sh b/day-6/run.sh
deleted file mode 100644
index 3f6776a..0000000
--- a/day-6/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-7/makefile b/day-7/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-7/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-7/run.sh b/day-7/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-7/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-8/makefile b/day-8/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-8/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-8/run.sh b/day-8/run.sh
deleted file mode 100755
index 3f6776a..0000000
--- a/day-8/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file
diff --git a/day-9/makefile b/day-9/makefile
new file mode 100644
index 0000000..5a0aa8d
--- /dev/null
+++ b/day-9/makefile
@@ -0,0 +1,10 @@
+TEST="test.txt"
+INPUT="input.txt"
+
+test:
+	cat $(TEST) | go run .
+
+run:
+	cat $(INPUT) | go run .
+
+all: test
diff --git a/day-9/run.sh b/day-9/run.sh
deleted file mode 100644
index 3f6776a..0000000
--- a/day-9/run.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-
-INPUT="input.txt"
-
-cat $INPUT | go run .
\ No newline at end of file