diff --git a/du3/program.c b/du3/program.c
index d570003..896966f 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -13,6 +13,7 @@ int main() {
 	int truth = 0;
 
 	for (int j = 0; fgets(input, 11, stdin) != NULL; j++){
+		if(input[0] == '\n') continue;
 		for(int i = 0; i < 11; i++){
 			if(!isdigit(input[i]) && input[i] != '.' && input[i] != '\0' && input[i] != '\n'){
 				puts("Neplatny datum.");