diff --git a/esercizi-cicli/rombo-che-stampa.js b/esercizi-cicli/rombo-che-stampa.js
index 8a84d119..c5fad5cc 100644
--- a/esercizi-cicli/rombo-che-stampa.js
+++ b/esercizi-cicli/rombo-che-stampa.js
@@ -16,3 +16,19 @@
   
   http://www.imparareaprogrammare.it
 */
+var a=prompt('inserisci un numero dispari');
+
+if(a%2==0){console.log('NUMERO DISPARI!')};
+if(isNaN(a)){console.log('no number')};
+
+if(a%2!==0){
+
+var r=['    X     ','   XXX   ','  XXXXX  ','   XXX   ','    X     '];
+var tot=r.length;
+var cont=0;
+
+while(cont<tot){console.log(r[cont]);
+cont++;
+};
+};
+