用英文写出1到1000的所有数字需要多少个字母？

如果用英文写出数字1到5: one, two, three, four, five, 那么一共需要3 + 3 + 5 + 4 + 4 = 19个字母。

如果数字1到1000（包含1000）用英文写出，那么一共需要多少个字母？
注意: 空格和连字符不算在内。例如，342 (three hundred and forty-two)包含23个字母； 115 (one hundred
and fifteen)包含20个字母。"and" 的使用与英国标准一致。

public class Test {
public static void main(String[] args) {
String[] m=new String[]{"","one","two","three","four","five","six","seven","eight","nine","ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"};
String[] n=new String[]{"","","twenty","thirty","forty","fifty","sixty","seventy","eighty","ninety"};
int first,second,three,sum=0;
for (int i=1;i<1000;++i)
{
int a=i%10;//个位数字
int b=(i%100)/10;//十位
int c=i/100;//百位

if(c >= 1)
{
three = m[c].length() + 7;
if(i % 100 != 0)
three += 3;
}
else
three = 0;

if(b >= 2)
{
second = n[b].length();
first = m[a].length();
}
else
{
second = 0;
first = m[i % 100].length();
}
sum = sum + first + second + three;
}
sum+=11;
System.out.println(sum);
}
}