#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <list>
#include <set>
#include <map>
#include <algorithm>
#include <functional>
#include <cstdio>

using namespace std;

bool prime[1000000];

void makeprime(){
  prime[0] = false;
  prime[1] = false;
  for(int i=2; i<1000000; i++){
    prime[i] = true;
  }
  for(int i=2; i*i < 1000000; i++){
    if(prime[i]){
      for(int j=i*2; j < 1000000; j+=i){
	prime[j] = false;
      }
    }
  }
}


int main()
{
  ifstream cin("roots.txt");
  int n;
  makeprime();
  while(cin >> n){ 
    if(n == 0){ break; }
    int x = n;
    while(true){
      if(prime[x]){
	printf("%7d %7d\n", n, x);
	break;
      }else if(x < 10){
	printf("%7d    none\n", n);
	break;
      }else{
	int y = 0;
	while(x > 0){
	  y += (x % 10);
	  x /= 10;
	}
	x = y;
      }
    }
    
  }
}