diff --git a/du6/program.c b/du6/program.c
index 4643a31..1a3858d 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -65,6 +65,7 @@ void sort(struct LIS* list,int count){
     struct LIS ilusion;
     char *min;
     int mini;
+  if(list[0].num==0 || list[0].num==1)
     for(int i=0;i<=count-1;i++){
         min=list[i].name;
         mini=i;