public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int m = sc.nextInt(); int t = sc.nextInt(); int[] timeN = new int[n + 1]; int[] timeM = new int[m + 1]; for (int i = 1; i <= n; i++) { timeN[i] = sc.nextInt() + timeN[i - 1] ; } for (int i = 1; i <= m; i++) { timeM[i] = sc.nextInt() + timeM[i - 1]; } int minTime = Integer.MIN_VALUE; for (int i = 0; i <= n && timeN[i] <= t; i++) { for (int j = 0; j <= m; j++) { if (timeN[i] + timeM[j] <= t) { minTime = Math.max(minTime, i + j); } else { break; } } } System.out.println(minTime); }