甲级pat-1005

#include
using namespace std;
char arr[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
const int maxn=10100;
int main(){
    string s;
    int sum=0,a[maxn]={0},index=0;
    cin>>s;
    int len=s.length();
    for(int i=0;i=0;i--){
        cout<