List<WebElement> problems =  driver.findElements(By.xpath("//a[@class='btn btn-default btn-xs']"));

		for(WebElement itr : problems) {
			String curr_url = itr.getAttribute("href");
			driver.navigate().to(curr_url);
			WebDriverWait wait = new WebDriverWait(driver, 30);
			String id = wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("(//*[@id='zona-mijloc']//kbd)[1]"))).getText();
			id = id.replace("#", "");
			String new_url = curr_url.replaceAll("judge-board", "probleme").replaceAll("_problema", "").replaceAll("user", "id_sursa").replaceAll("IosifHriscu", id);
			driver.navigate().to(new_url);
			//driver.findElement(By.xpath("//*[@id=\"btn-submit\"]")).click();
			driver.manage().timeouts().implicitlyWait(1, TimeUnit.SECONDS);
		}