public class test7 {
    public static void main(String[] args) {
        int count = 0;       // Line 3
        int sum = 0;         // Line 4
        while (count < 5) {  // Line 5
            sum = sum + count; // Line 6
            count = count + 1; // Line 7
        }
        System.out.println(sum); // Line 9
    }
}