#include <iostream> using namespace std; int dp[1000001]; int main() { int m; while (scanf("%d", &m) != EOF) { // 注意 while 处理多个 case dp[0] = 1; for (int i = 1, v = 1; v <= m; v *= 2) { for (int j = v; j <= m; j++) { dp[j] = (dp[j] + dp[j - v]) % 1000000000; } } printf("%d\n", dp[m]); } } // 64 位输出请用 printf("%lld")