diff --git a/du3/program.c b/du3/program.c
index 164af8c..5afbbe0 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -17,11 +17,19 @@ int main(){
 	float vysl = 0;
 	int counter = -1;
 	float h = 0;
+	int pos = 0;
 	//float p = 0;
 	while(stop == 0){
 		r = fgets(riadok,LINE_SIZE,stdin);
+		pos++;
 		if (r == NULL || !isdigit(*r)) {
-            		stop = 1;
+            		if(*r == 13){
+				stop = 1;
+			}
+			else{
+				printf("Nepodarilo sa nacitat polynom na %d mieste.\n", pos);
+				return 0;
+			}
         	}
 		r2 = atof(riadok);
 		mass[i] = r2;