diff --git a/2019/aoc2019/day19.py b/2019/aoc2019/day19.py
new file mode 100644
index 0000000..484ad27
--- /dev/null
+++ b/2019/aoc2019/day19.py
@@ -0,0 +1,21 @@
+import copy
+from itertools import product
+from typing import TextIO
+
+from aoc2019.intcode import Computer, read_program
+
+
+def query_position(x: int, y: int, computer: Computer) -> bool:
+    computer = copy.deepcopy(computer)
+
+    computer.send_input(x)
+    computer.send_input(y)
+    computer.run()
+
+    return computer.get_output() == 1
+
+
+def part1(data: TextIO) -> int:
+    computer = Computer(read_program(data))
+
+    return sum(1 for x, y in product(range(50), range(50)) if query_position(x, y, computer))