阅读以下程序 import java.io.* ; public class Test { public static void main(String args[ ]) { int i, s = 0; int a[] = {10, 20, 30, 40, 50, 60, 70, 80, 90}; for ( i = 0 ; i < a.length; i++ ) if(a[i] % 3 == 0) s += a[i]; System.out.println("s=" + s); } } 请写出此程序的输出结果: