#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const double pi=3.141592653589793;
typedef unsigned long long ull;
typedef long double ldouble;
const ll INF=1e18;
#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)
#define rep2(i, s, n) for (ll i = (s); i < (ll)(n); i++)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }


int main(){
  string s = "abcdefghijklmnopqrstuvwxyz";
  string t;
  cin >> t;
  char from, to;
  rep(i, s.length()){
    if((char)s[i] != (char)t[i]){
      cout << s[i] << "to" << t[i] << endl;
    }
  }
}