diff --git a/day-14/part-1/quick_silvestre.jl b/day-14/part-1/quick_silvestre.jl
new file mode 100644
index 00000000..7fdf891b
--- /dev/null
+++ b/day-14/part-1/quick_silvestre.jl
@@ -0,0 +1,43 @@
+function update_mask(line, one_mask, zero_mask)
+    one_mask = 0
+    zero_mask = 0
+    for idx in 1:36
+        if line[7 + idx] == '1'
+            one_mask |= 1 << (36 - idx)
+        elseif line[7 + idx] == '0'
+            zero_mask |= 1 << (36 - idx)
+        end
+    end
+    return (zero_mask, one_mask)
+end
+
+function run(s)
+    # Your code here
+    one_mask::Int = 0
+    zero_mask::Int = 0
+    memory = Dict{Int,Int}()
+    addr::Int = 0
+    value::Int = 0
+    for line in readlines(IOBuffer(s))
+        if line[2] == 'a'
+            (zero_mask, one_mask) = update_mask(line, one_mask, zero_mask)
+        else
+            parts = split(line, " = ", limit=2)
+            addr = parse(Int, SubString(parts[1], 5, lastindex(parts[1]) - 1))
+            value = parse(Int, parts[2])
+            memory[addr] = (value | one_mask) & ~zero_mask 
+        end
+    end
+    return sum(values(memory))
+end
+
+#########################################
+
+function main()
+    run(ARGS[1])
+    res, time, memory = @timed run(ARGS[1])
+    println("_duration:$(time * 1000)")
+    println(res)
+end
+
+main()
diff --git a/day-14/part-1/silvestre.jl b/day-14/part-1/silvestre.jl
index 2c4efe8f..85f63080 100644
--- a/day-14/part-1/silvestre.jl
+++ b/day-14/part-1/silvestre.jl
@@ -19,7 +19,7 @@ function run(s)
     addr::Int = 0
     value::Int = 0
     for line in readlines(IOBuffer(s))
-        if startswith(line, "mask")
+        if line[2] == 'a'
             (zero_mask, one_mask) = update_mask(line, one_mask, zero_mask)
         else
             parts = split(line, " = ", limit=2)
diff --git a/day-14/part-1/silvestre_module.jl b/day-14/part-1/silvestre_module.jl
new file mode 100644
index 00000000..0c7d097a
--- /dev/null
+++ b/day-14/part-1/silvestre_module.jl
@@ -0,0 +1,49 @@
+module Test
+
+export run
+
+function update_mask(line, one_mask, zero_mask)
+    one_mask = 0
+    zero_mask = 0
+    for idx in 1:36
+        if line[7 + idx] == '1'
+            one_mask |= 1 << (36 - idx)
+        elseif line[7 + idx] == '0'
+            zero_mask |= 1 << (36 - idx)
+        end
+    end
+    return (zero_mask, one_mask)
+end
+
+function run(s)
+    # Your code here
+    one_mask::Int = 0
+    zero_mask::Int = 0
+    memory = Dict{Int,Int}()
+    addr::Int = 0
+    value::Int = 0
+    for line in readlines(IOBuffer(s))
+        if line[2] == 'a'
+            (zero_mask, one_mask) = update_mask(line, one_mask, zero_mask)
+        else
+            parts = split(line, " = ", limit=2)
+            addr = parse(Int, SubString(parts[1], 5, lastindex(parts[1]) - 1))
+            value = parse(Int, parts[2])
+            memory[addr] = (value | one_mask) & ~zero_mask 
+        end
+    end
+    return sum(values(memory))
+end
+
+end 
+
+#########################################
+using .Test: run
+
+function main()
+    res, time, memory = @timed run(ARGS[1])
+    println("_duration:$(time * 1000)")
+    println(res)
+end
+
+main()
diff --git a/day-14/part-1/silvestre_module_compiled.jl b/day-14/part-1/silvestre_module_compiled.jl
new file mode 100644
index 00000000..5133e5ec
--- /dev/null
+++ b/day-14/part-1/silvestre_module_compiled.jl
@@ -0,0 +1,50 @@
+__precompile__()
+module Test
+
+export run
+
+function update_mask(line, one_mask, zero_mask)
+    one_mask = 0
+    zero_mask = 0
+    for idx in 1:36
+        if line[7 + idx] == '1'
+            one_mask |= 1 << (36 - idx)
+        elseif line[7 + idx] == '0'
+            zero_mask |= 1 << (36 - idx)
+        end
+    end
+    return (zero_mask, one_mask)
+end
+
+function run(s)
+    # Your code here
+    one_mask::Int = 0
+    zero_mask::Int = 0
+    memory = Dict{Int,Int}()
+    addr::Int = 0
+    value::Int = 0
+    for line in readlines(IOBuffer(s))
+        if line[2] == 'a'
+            (zero_mask, one_mask) = update_mask(line, one_mask, zero_mask)
+        else
+            parts = split(line, " = ", limit=2)
+            addr = parse(Int, SubString(parts[1], 5, lastindex(parts[1]) - 1))
+            value = parse(Int, parts[2])
+            memory[addr] = (value | one_mask) & ~zero_mask 
+        end
+    end
+    return sum(values(memory))
+end
+
+end 
+
+#########################################
+using .Test: run
+
+function main()
+    res, time, memory = @timed run(ARGS[1])
+    println("_duration:$(time * 1000)")
+    println(res)
+end
+
+main()