import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (scanner.hasNext()) { String[] split = scanner.nextLine().split(" "); Integer v1 = Integer.valueOf(split[0]); Integer v2 = Integer.valueOf(split[1]); int sum = 0; for (int i = v1 + 1; i < v2; i++) { boolean flag = false; for (int j = 2; j <= Math.sqrt(i) + 1; j++) { if (i % j == 0) { flag = true; break; } } if (!flag) { sum += i; } } System.out.println(sum); } } } |
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