diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..90594c3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+as.tab.c
+as.tab.h
+compilateur
+lex.yy.c
+
diff --git a/as.y b/as.y
index 6da3010..f842f71 100644
--- a/as.y
+++ b/as.y
@@ -60,12 +60,19 @@ Body : tAO Instructions tAF ;
 
 Instructions : Instruction Instructions | ;
 
-Instruction : Aff | Printf  | If ;
+Instruction : Aff | Printf  | If | Declaration ;
 
 Aff : tID tEQ E tPV ;
 
 E : tNB | tID | E tADD E | E tMUL E | E tSUB E | E tDIV E | tPO E tPF | tSUB E ;
 
+DeclarationBody : tID tVIRG DeclarationBody | tID ;
+
+DeclarationInt : tINT DeclarationBody tPV ;
+
+DeclarationConst : tCONST DeclarationBody tPV ;
+
+Declaration : DeclarationInt | DeclarationConst ;
 
 If : IfSimple | IfElse ;
 
diff --git a/test.c b/test.c
index 3550380..0d5161d 100644
--- a/test.c
+++ b/test.c
@@ -1,7 +1,10 @@
 int main(){
-    x = 3 + 6;
+    int x, y, z;
+    const PL5_op, b, c;
     printf(x);
     if (x == x && y != 5 + 6 || 1 + 2 == 2 + 1 && !(x == x)) {
         printf(x);
+    } else {
+        x = 3 + 2;
     }
 }