diff --git a/du2/program.c b/du2/program.c
index 57479c7..5eafd3b 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -42,10 +42,13 @@ int main() {
         if (!fgetc(buffer, sizeof(buffer), stdin) || buffer[0] == '\n') {
             break;
         }
-        
-
-
 
+        if (sscanf(buffer, sizeof(buffer), stdin)) {
+            printf("Chyba. Nepodarilo sa nacitat koeficient %d.\n", count + 1);
+            return 1
+        }
+        cof[count] = coef;
+        count++; 
 
     return 0;
 }
\ No newline at end of file