diff --git a/cv3/program.c b/cv3/program.c
index 59592cf..176b876 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -12,7 +12,10 @@ int main() {
     double result = 0.0;
 
      while (scanf("%lf", &input) == 1) {
-        
+        if (input == 'x') {
+            printf("Exiting program.\n");
+            return 0;
+        }
         coefs[count] = input;
         count++;
     }