#include <bits/stdc++.h>

const int N = 30;

char s[N];

int main(){
    scanf("%s", s);
    for (int i = 0; i < 26; ++ i){
        if (s[i] != char('a' + i)){
            printf("%cto%c\n", char('a' + i), s[i]);
        }
    }
    return 0;
}