diff --git a/du1/program.c b/du1/program.c
index cfe4b79..5dd3f90 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -29,19 +29,24 @@ int main (){
 		}
 		else{
 			for(int i = 0; i < 100; i++){
-				if(c[i] == '\n') break; 
-				if(isupper(c[i]))
-					printf("%c", tolower(c[i]));
-				else if(islower(c[i]))
-					printf("%c", toupper(c[i]));
-				else
-					printf("%c\n", c[i]);
+				if(c[i] == '\n') break;
+				if(isupper(c[i])) {
+                    printf("%c\n", tolower(c[i]));
+                    counter++;
+                }
+				else if(islower(c[i])) {
+                    printf("%c\n", toupper(c[i]));
+                    counter++;
+                }
+				else{
+                    printf("%c\n", c[i]);
+                }
 			}
 		}
 		memset(c, '\0', 100);
 	}
-	
+
 	printf("\nPočet riadkov: %d\n",counter);
-	
+
 	return 0;
 }