diff --git a/cv5/program.c b/cv5/program.c
index 125acae..b517c01 100644
--- a/cv5/program.c
+++ b/cv5/program.c
@@ -1,7 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h> // Include ctype.h for isdigit function
 
 #define SIZE 100
 
@@ -28,7 +27,6 @@ int compare(const void *a, const void *b) {
 int main() {
     struct student students[SIZE];
     int size = 0;
-    int error = 0; // Flag to track if an error occurred
 
     // read student data from standard input
     while (1) {
@@ -36,27 +34,19 @@ int main() {
         memset(line, 0, SIZE);
         char *r = fgets(line, SIZE, stdin);
 
-        // check if the line is empty or just contains newline character
+        // check if the line is empty
         if (r == NULL || (r[0] == '\n' && strlen(r) == 1)) {
-            // end of input or empty line
-            if (size == 0 && !error) {
-                // If no valid input was processed and no error occurred, print error message and exit
-                fprintf(stderr, "Error: No valid input\n");
-                return 1;
-            }
+            // end of input
             break;
         }
 
         // parse the string and extract number of votes and student name
         int votes;
         char name[SIZE];
-
-        // Use sscanf to parse the input line
-        if (sscanf(line, "%d %[^\n]", &votes, name) != 2 || !isdigit(votes)) {
-            // If sscanf fails to parse the input correctly or votes is not a number
-            // Set error flag and continue to the next line
-            error = 1;
-            continue;
+        if (sscanf(line, "%d %[^\n]", &votes, name) != 2) {
+            // error, input was not in expected format
+            // print error message and exit
+            break;
         }
 
         // check if this student already exists