diff --git a/p19.dyalog b/p19.dyalog
new file mode 100644
index 0000000..46723ae
--- /dev/null
+++ b/p19.dyalog
@@ -0,0 +1,21 @@
+⎕IO←0
+p←⊃⎕NGET'p19.txt'1
+ip←⍎(⊃p)∩⎕D
+addr←{a b c←⍵ ⋄ r[c]←r[a]+r[b]}
+addi←{a b c←⍵ ⋄ r[c]←r[a]+b}
+mulr←{a b c←⍵ ⋄ r[c]←r[a]×r[b]}
+muli←{a b c←⍵ ⋄ r[c]←r[a]×b}
+setr←{a b c←⍵ ⋄ r[c]←r[a]}
+seti←{a b c←⍵ ⋄ r[c]←a}
+gtir←{a b c←⍵ ⋄ r[c]←a>r[b]}
+gtrr←{a b c←⍵ ⋄ r[c]←r[a]>r[b]}
+gtri←{a b c←⍵ ⋄ r[c]←r[a]>b}
+eqir←{a b c←⍵ ⋄ r[c]←a=r[b]}
+eqrr←{a b c←⍵ ⋄ r[c]←r[a]=r[b]}
+eqri←{a b c←⍵ ⋄ r[c]←r[a]=b}
+⎕FX(⊂'r←f r'),{'r[ip]←¯1+⊃⎕LC⋄',⍵,'⋄→2+r[ip]'}¨1↓p
+⊃f 6↑0 ⍝ part 1
+
+g←{+/⍵{⍵/⍨0=⍵|⍺}1+⍳⍵}
+⎕FX(⊂'→0')(@2)⎕NR'f'
+g 3⊃f 6↑1 ⍝ part 2
diff --git a/p19.txt b/p19.txt
new file mode 100644
index 0000000..3a7db07
--- /dev/null
+++ b/p19.txt
@@ -0,0 +1,37 @@
+#ip 4
+addi 4 16 4
+seti 1 9 5
+seti 1 5 2
+mulr 5 2 1
+eqrr 1 3 1
+addr 1 4 4
+addi 4 1 4
+addr 5 0 0
+addi 2 1 2
+gtrr 2 3 1
+addr 4 1 4
+seti 2 6 4
+addi 5 1 5
+gtrr 5 3 1
+addr 1 4 4
+seti 1 2 4
+mulr 4 4 4
+addi 3 2 3
+mulr 3 3 3
+mulr 4 3 3
+muli 3 11 3
+addi 1 5 1
+mulr 1 4 1
+addi 1 2 1
+addr 3 1 3
+addr 4 0 4
+seti 0 2 4
+setr 4 8 1
+mulr 1 4 1
+addr 4 1 1
+mulr 4 1 1
+muli 1 14 1
+mulr 1 4 1
+addr 3 1 3
+seti 0 0 0
+seti 0 2 4