diff --git a/2019/aoc2019/day13.py b/2019/aoc2019/day13.py
new file mode 100644
index 0000000..c0d9a6d
--- /dev/null
+++ b/2019/aoc2019/day13.py
@@ -0,0 +1,20 @@
+from typing import TextIO
+
+from aoc2019.intcode import Computer, read_program
+
+
+def part1(data: TextIO) -> int:
+    computer = Computer(read_program(data))
+
+    computer.run()
+
+    screen = {}
+
+    while computer.output:
+        x = computer.output.popleft()
+        y = computer.output.popleft()
+        val = computer.output.popleft()
+
+        screen[x, y] = val
+
+    return sum(1 for val in screen.values() if val == 2)