diff --git a/examples/primes.mga b/examples/primes.mga
new file mode 100644
index 0000000..3966cae
--- /dev/null
+++ b/examples/primes.mga
@@ -0,0 +1,11 @@
+INT tot
+INT n
+INT j
+INT te
+IN INT tot numero massimo
+SET n 0
+:scn
+:sieve
+MOD n j te
+JE sieve tot
+OUT $n$