diff --git a/du4/program.c b/du4/program.c
index 00a1dba..66bb4e5 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -66,7 +66,7 @@ int main()
     
     	if(c=='E'||first==-5||second==-5||res==-5||(c!=43&&c!=42&&c!=45&&c!=47)){
     	    printf("CHYBA\n");
-    	    return 0;
+          	continue;
     	}
     	double my_res = operation(first,second,c);
     	if(compare_percent(res,my_res,0.01)==0){