import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; public class Fl { while ((line = input.readLine()) != null) { int count = 0; int z2 = zadani * 2; for (int i = 0; i < zadani; i++) { int n = zadani - (z2 - i); int d = zadani * (z2 - i); if (d % n == 0) { count++; } } } } }