PAT1005

#include<iostream>
#include<string>
#include<map>
using namespace std;
map<int, string> m = {{0, "zero"}, {1, "one"}, {2, "two"}, {3, "three"}, {4, "four"}, {5, "five"}, {6, "six"}, {7, "seven"}, {8, "eight"}, {9, "nine"}};
int main()
{
    string num;
    while(cin>>num)
    {
        int sum = 0;
        for(auto i : num)
        {
            sum += i - '0';
        }

        string _sum = to_string(sum);
        cout<<m[_sum[0]-'0'];
        for(int i = 1; i < _sum.length(); i++)
        {
            cout<<" "<<m[_sum[i]-'0'];
        }
    }
    return 0;
}