diff --git a/Part2-FlushReload/attacker.c b/Part2-FlushReload/attacker.c
index 2163fd8..87cd3a6 100644
--- a/Part2-FlushReload/attacker.c
+++ b/Part2-FlushReload/attacker.c
@@ -21,10 +21,10 @@ int main() {
         clflush((ADDR_PTR)buf + i * 128);
     }
     for(int i = 0; i < WAIT_TIME; i++);
-    for(int i = 0; i < 1024; i++) {
-        time = measure_one_block_access_time((ADDR_PTR)buf + (i * 10020107) % 1024 * 128);
+    for(int i = 100; i < 10000; i++) {
+        time = measure_one_block_access_time((ADDR_PTR)buf + (i*i) / 1024 % 1024 * 128);
         if(time < CACHE_HIT_THRESHOLD) {
-            flag = (i * 10020107) % 1024;
+            flag = (i*i) / 1024 % 1024;
             break;
         }
     }