diff --git a/du2/program.c b/du2/program.c
index 271821b..0489202 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -2,13 +2,13 @@
 
 
 int main(){
-    int koef=0;
+    double koef=0;
     double a;
     double rishennia;
      if (scanf("%lf",&a) != 1) {
         printf("Chyba\n");
         return 1;
-         }else{ while (scanf("%d", &koef) == 1) {
+         }else{ while (scanf("%lf", &koef) == 1) {
         rishennia=rishennia*a +koef;
             }
       printf("Vysledok je: %.2f\n",rishennia);