diff --git a/2015/23/1.pl b/2015/23/1.pl
new file mode 100644
index 0000000..53492c6
--- /dev/null
+++ b/2015/23/1.pl
@@ -0,0 +1,40 @@
+use 5.20.0;
+
+my @code = <>;
+
+my $i = 0;
+
+my %t;
+while( $i < @code ) {
+    warn join ' ', $i, $t{a}, $t{b}, $code[$i];
+#    my $dummy = <>;
+    if( $code[$i] =~ /inc (.)/ ) {
+        $t{$1}++;
+        $i++;
+    }
+    elsif( $code[$i] =~ /tpl (.)/ ) {
+        $t{$1} *= 3;
+        $i++;
+    }
+    elsif( $code[$i] =~ /hlf (.)/ ) {
+        $t{$1} /= 2;
+        warn $t{$1};
+        $i++;
+    }
+    elsif( $code[$i] =~ /jmp ([+-]\d+)/ ) {
+        $i+=$1;
+    }
+    elsif( $code[$i] =~ /jie (.), ([+-]\d+)/ ) {
+        $i+= ($t{$1} % 2) ? 1 : $2;
+    }
+    elsif( $code[$i] =~ /jio (.), ([+-]\d+)/ ) {
+        $i+= ($t{$1} != 1) ? 1 : $2;
+        warn $i;
+    }
+    
+}
+
+use DDP;
+p %t;
+
+
diff --git a/2015/23/2.pl b/2015/23/2.pl
new file mode 100644
index 0000000..ecf926e
--- /dev/null
+++ b/2015/23/2.pl
@@ -0,0 +1,40 @@
+use 5.20.0;
+
+my @code = <>;
+
+my $i = 0;
+
+my %t = ( a => 1 );
+while( $i < @code ) {
+    warn join ' ', $i, $t{a}, $t{b}, $code[$i];
+#    my $dummy = <>;
+    if( $code[$i] =~ /inc (.)/ ) {
+        $t{$1}++;
+        $i++;
+    }
+    elsif( $code[$i] =~ /tpl (.)/ ) {
+        $t{$1} *= 3;
+        $i++;
+    }
+    elsif( $code[$i] =~ /hlf (.)/ ) {
+        $t{$1} /= 2;
+        warn $t{$1};
+        $i++;
+    }
+    elsif( $code[$i] =~ /jmp ([+-]\d+)/ ) {
+        $i+=$1;
+    }
+    elsif( $code[$i] =~ /jie (.), ([+-]\d+)/ ) {
+        $i+= ($t{$1} % 2) ? 1 : $2;
+    }
+    elsif( $code[$i] =~ /jio (.), ([+-]\d+)/ ) {
+        $i+= ($t{$1} != 1) ? 1 : $2;
+        warn $i;
+    }
+    
+}
+
+use DDP;
+p %t;
+
+
diff --git a/2015/23/input.txt b/2015/23/input.txt
new file mode 100644
index 0000000..07b1c76
--- /dev/null
+++ b/2015/23/input.txt
@@ -0,0 +1,49 @@
+jio a, +19
+inc a
+tpl a
+inc a
+tpl a
+inc a
+tpl a
+tpl a
+inc a
+inc a
+tpl a
+tpl a
+inc a
+inc a
+tpl a
+inc a
+inc a
+tpl a
+jmp +23
+tpl a
+tpl a
+inc a
+inc a
+tpl a
+inc a
+inc a
+tpl a
+inc a
+tpl a
+inc a
+tpl a
+inc a
+tpl a
+inc a
+inc a
+tpl a
+inc a
+inc a
+tpl a
+tpl a
+inc a
+jio a, +8
+inc b
+jie a, +4
+tpl a
+inc a
+jmp +2
+hlf a
+jmp -7