diff --git a/src/Makefile b/src/Makefile
new file mode 100644
index 0000000..c49fe56
--- /dev/null
+++ b/src/Makefile
@@ -0,0 +1,22 @@
+LDFLAGS="-L/usr/local/opt/flex/lib"
+
+machine.py: ram
+	./ram < test.1
+	cat machine.py
+
+ram: ram.yy.c ram.tab.c
+	gcc -o $@ $^ -ly -lfl
+
+ram.tab.c: ram.y
+	bison -d --report=all $^
+
+ram.yy.c: ram.l
+	flex -o $@ $^
+
+clean:
+	rm -f machine.py
+	rm -f ram
+	rm -f *.o
+	rm -f *.output
+	rm -f *.tab.c *.tab.h
+	rm -f *.yy.c
diff --git a/src/ram.l b/src/ram.l
index 163c15e..c5c3892 100644
--- a/src/ram.l
+++ b/src/ram.l
@@ -9,14 +9,14 @@
 
 
 %%
-[rio][0-9]*   { yylval = yytext; return REGISTER;}
-[rio]@[rio][0-9]*   { yylval = yytext; return REGISTER_REF}
-[0-9]*  { yylval = yytext; return VALUE;}
+[rio][0-9]*         { yylval = yytext; return REGISTER;}
+[rio]@[rio][0-9]*   { yylval = yytext; return REGISTER_REF;}
+[0-9]*              { yylval = yytext; return VALUE;}
 ADD|SUB|MULT|DIV    { yylval = yytext; return OP;}
 JUMP|JE|JL          { yylval = yytext; return OP_CTRL;}
-,       {return COMMA}
-\(      {return PAR_O;}
-\)      {return PAR_C;}
-\n      {return SEPARATION; }
-.       {printf("token inconnu\n"); yyterminate();}
+[ ]*,[ ]*           {return COMMA;}
+\(                  {return PAR_O;}
+\)                  {return PAR_C;}
+\n                  {return SEPARATION; }
+.                   {printf("token inconnu\n"); yyterminate();}
 %%
diff --git a/src/ram.y b/src/ram.y
index 7cf9b38..d96c4a5 100644
--- a/src/ram.y
+++ b/src/ram.y
@@ -13,7 +13,8 @@ int yyerror(char* s);
 
 %}
 
-%token REGISTER REGISTER_REF OP OP_CTRL VALUE
+%token VALUE
+%token REGISTER REGISTER_REF OP OP_CTRL
 %token PAR_O PAR_C
 %left COMMA
 %right SEPARATION
@@ -21,8 +22,10 @@ int yyerror(char* s);
 %%
 program:
     input SEPARATION instruction {
+        asprintf(&result, "input = [%s]\ninstructions = [ %s]\n", $1, $3);
         }
     |   instruction {
+        asprintf(&result, "input = []\ninstructions = [ %s]\n", $1);
         }
 ;
 
@@ -33,8 +36,10 @@ input:
 ;
 
 content:
-    VALUE COMMA content {
-        asprintf(&$$, "%s, %s ", $1, $3);
+    content COMMA VALUE {
+        char* tmp = "";
+        asprintf(&tmp, "%s, %s", $1, $3);
+        $$ = tmp;
         }
     |   VALUE {
         $$ = $1;
@@ -43,7 +48,9 @@ content:
 
 instruction:
     line SEPARATION instruction {
-        asprintf(&$$, "%s%s", $1, $3);
+        char* tmp = "";
+        asprintf(&tmp, "%s%s", $1, $3);
+        $$ = tmp;
         }
     |   line SEPARATION {
         $$ = $1;
@@ -55,15 +62,21 @@ instruction:
 
 line:
     OP_CTRL PAR_O args_ctrl PAR_C {
-        asprintf(&$$, "{\"op\": Ram.op, \"args\": (%s, %s)}, ", $1, $2);
+        char* tmp = "";
+        asprintf(&tmp, "{\"op\": Ram.op_ctrl, \"args\": ('%s', (%s))},\n", $1, $3);
+        $$ = tmp;
         }
     |   OP PAR_O args PAR_C {
-        asprintf(&$$, "{\"op\": Ram.op_ctrl, \"args\": (%s, %s)}, ", $1, $2);
+        char* tmp = "";
+        asprintf(&tmp, "{\"op\": Ram.op, \"args\": ('%s', (%s))},\n", $1, $3);
+        $$ = tmp;
         }
 ;
 args:
     arg COMMA arg COMMA arg {
-        asprintf(&$$, "%s, %s, %s", $1, $3, $5);
+        char* tmp = "";
+        asprintf(&tmp, "%s, %s, %s", $1, $3, $5);
+        $$ = tmp;
         }
     |   arg {
         $$ = $1;
@@ -72,7 +85,9 @@ args:
 
 args_ctrl:
     VALUE COMMA arg COMMA arg {
-        asprintf(&$$, "%c, %s, %s", $1, $3, $5);
+        char* tmp = "";
+        asprintf(&tmp, "%c, %s, %s", $1, $3, $5);
+        $$ = tmp;
         }
     |   VALUE {
         $$ = $1;
@@ -80,20 +95,26 @@ args_ctrl:
 
 arg:
     REGISTER_REF {
+        char* tmp = "";
         char *index_str = strdup($1 + 3); // copy from 4th char
-        asprintf(&$$, "('%c', '%c', '%c', %s), ", $1[1], index_str, $1[2], $1[0]);
+        asprintf(&tmp, "('%c', '%c', '%c', %s)", $1[1], index_str, $1[2], $1[0]);
         // r@i1 -> r register, index in i1
         // Python args: type_register, index, ref_origin, ref_target
         // r@i1 -> ('@', '1', 'i', 'r')
         free(index_str);
+        $$ = tmp;
         }
     |   REGISTER {
+        char* tmp = "";
         char *index_str = strdup($1 + 1); // copy from 2nd char
-        asprintf(&$$, "('%c', %s), ", $1[0], index_str);
+        asprintf(&tmp, "('%c', %s)", $1[0], index_str);
         free(index_str);
+        $$ = tmp;
         }
     |   VALUE {
-        asprintf(&$$, "('value', %s), ", $1);
+        char* tmp = "";
+        asprintf(&tmp, "('value', %s)", $1);
+        $$ = tmp;
         }
 ;
 
@@ -101,6 +122,14 @@ arg:
 
 int main() {
     yyparse();
+    FILE *file = fopen("machine.py", "w");
 
+    if (file == NULL) {
+        fprintf(stderr, "Error creating file machine.py\n");
+        return 1;
+    } else {
+        fprintf(file, "%s", result);
+        fclose(file);
+    }
     return 0;
 }
diff --git a/src/test.1 b/src/test.1
index 68ecfd0..41355d8 100644
--- a/src/test.1
+++ b/src/test.1
@@ -1 +1,4 @@
-(10,5,1)
+(10,5,1,2,4)
+ADD(i0 ,1 ,r0)
+SUB(i1,3,r1)
+MULT(r1,r0,o1)