diff --git a/ex-3/main.c b/ex-3/main.c
index d5312ef..df87931 100644
--- a/ex-3/main.c
+++ b/ex-3/main.c
@@ -85,16 +85,12 @@ int main(int argc, char **argv) {
   fputs("# event sampling\n\n", stderr);
   fprintf(stderr, "generating %ld events...", opts.num_events);
   struct event *e;
-//  for (size_t i = 0; i < s.size; i++){
-//    e = &s.events[i];
-//    do {
-//      e->th = acos(1 - 2*gsl_rng_uniform(r));
-//      e->ph = 2 * M_PI * gsl_rng_uniform(r);
-//    } while(0.2 * gsl_rng_uniform(r) > distr(def_par, e));
   for (size_t i = 0; i < s.size; i++){
     e = &s.events[i];
-    e->th = acos(1 - 2*gsl_rng_uniform(r));
-    e->ph = 2 * M_PI * gsl_rng_uniform(r);
+    do {
+      e->th = acos(1 - 2*gsl_rng_uniform(r));
+      e->ph = 2 * M_PI * gsl_rng_uniform(r);
+    } while(0.2 * gsl_rng_uniform(r) > distr(def_par, e));
 
     // update the histogram
     gsl_histogram2d_increment(hist, e->th, e->ph);