diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..05e9b1c
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1 @@
+mod push;
diff --git a/src/push/instructions/instruction.rs b/src/push/instructions/instruction.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/push/instructions/instruction.rs
@@ -0,0 +1 @@
+
diff --git a/src/push/instructions/mod.rs b/src/push/instructions/mod.rs
new file mode 100644
index 0000000..04407a0
--- /dev/null
+++ b/src/push/instructions/mod.rs
@@ -0,0 +1,2 @@
+mod instruction;
+mod numeric;
diff --git a/src/push/instructions/numeric.rs b/src/push/instructions/numeric.rs
new file mode 100644
index 0000000..7b37cd1
--- /dev/null
+++ b/src/push/instructions/numeric.rs
@@ -0,0 +1,21 @@
+macro_rules! _add {
+    ($stack:ident) => {
+        paste::item! = {
+            pub fn [< $stack _add >] ()
+        }
+    };
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn add_test() {
+        let x = 1;
+        let y = 2;
+
+        // let res = _add(&x, &y);
+        // assert_eq!(Some(3), res);
+    }
+}
diff --git a/src/push/mod.rs b/src/push/mod.rs
new file mode 100644
index 0000000..f10e0df
--- /dev/null
+++ b/src/push/mod.rs
@@ -0,0 +1,2 @@
+mod instructions;
+mod state;
diff --git a/src/push/state.rs b/src/push/state.rs
new file mode 100644
index 0000000..2f8d8c8
--- /dev/null
+++ b/src/push/state.rs
@@ -0,0 +1,49 @@
+use rust_decimal::Decimal;
+
+pub enum Gene {
+    GeneInt(i128),
+    GeneFloat(Decimal),
+    GeneString(Vec<char>),
+    GeneBool(bool),
+    GeneChar(char),
+    GeneVectorInt(Vec<i128>),
+    GeneVectorFloat(Vec<Decimal>),
+    GeneVectorString(Vec<Vec<char>>),
+    GeneVectorBool(Vec<bool>),
+    GeneVectorChar(Vec<char>),
+    // StateFunc(TODO)
+    Close,
+    Open(u8),
+    Skip,
+    Block(Vec<Gene>),
+}
+
+pub struct PushState {
+    pub int: Vec<i128>,
+    pub float: Vec<Decimal>,
+    pub string: Vec<Vec<char>>,
+    pub bool: Vec<bool>,
+    pub char: Vec<char>,
+    pub vector_int: Vec<Vec<i128>>,
+    pub vector_float: Vec<Vec<Decimal>>,
+    pub vector_string: Vec<Vec<Vec<char>>>,
+    pub vector_bool: Vec<Vec<bool>>,
+    pub vector_char: Vec<Vec<char>>,
+    pub code: Vec<Gene>,
+    pub exec: Vec<Gene>,
+}
+
+pub const EMPTY_STATE: PushState = PushState {
+    int: vec![],
+    float: vec![],
+    string: vec![],
+    bool: vec![],
+    char: vec![],
+    vector_int: vec![],
+    vector_float: vec![],
+    vector_string: vec![],
+    vector_bool: vec![],
+    vector_char: vec![],
+    exec: vec![],
+    code: vec![],
+};