diff --git a/du6/program.c b/du6/program.c
index f8fe1a0..f6860d5 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -43,10 +43,7 @@ int main(){
 
 	for(int j = 0;skip==0&& j<pocet_mien_v_poli ;j++){
 		for(int i=0;skip==0&&i<strlen(pole_smernikov[j]);i++){
-			if(pole_smernikov[j][i]=='\n'||pole_smernikov[j][i]==' '||(pole_smernikov[j][i]>='a'&&pole_smernikov[j][i]<='z')||(pole_smernikov[j][i]>='A'&&pole_smernikov[j][i]<='Z')){
-				continue;
-			}
-			else{
+			if(pole_smernikov[j][i]>='0'&&pole_smernikov[j][i]<='9'){
 				printf("Nespravny vstup\n");
 				skip=1;
 			}