#include <iostream> using namespace std; void sayDigit (int n,string arr[]) { if (n==0) return; if (n>0) { int digit = n%10; n = n/10; sayDigit(n,arr); cout << arr[digit] << " "; } } int main () { string arr[10] = {"zero","one","two","three","four","five","six","seven","eight","nine"}; int n; cin >> n; sayDigit(n,arr); return 0; }