diff --git a/du1/program.c b/du1/program.c
index 6e196bd..fbd7a02 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -7,10 +7,8 @@ int count = 0;
 int riadok = 0;
 while(c != EOF){
 c = getchar();	
-if(c == 10){
-printf("\n");
-riadok++;
-}
+if(c != 10){
+if((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')){
 if(islower(c)){
 c = toupper(c);
 printf("%c\n", c);
@@ -22,9 +20,20 @@ c = tolower(c);
 printf("%c\n", c);
 riadok++;
 }
-
+}
+else{
+if(c != 10){
+printf("%c\n", c);
+riadok++;
+}
+}
+}
+else{
+printf("\n");
+riadok++;
+}
 count = 0;
 }
 printf("\nPočet riadkov: %d\n", riadok);
 return 0;
-}
\ No newline at end of file
+}