#include <iostream>
using namespace std;

string table[] = { " ", ".+@$", "abc", "def", "ghi", "jkl" , "mno", "pqrs" , "tuv", "wxyz" };
void possibleString(string s, string copy, int i,int j){
    if(s.length() == 0)
        return;
    if(s.length() == i){
        cout<<copy<<endl;
        return;
    }
    int digit = s[i] - '0';
    cout<<digit<<endl;

    for(int k = 0; k < table[digit].length(); k++){
        copy[j] = table[digit][k];
        cout<<copy<<endl;
        possibleString(s,copy, i+1, j+1);
    }
    return;
}

int main() {

    string s;
    cin>>s;
    string copy ="";
    possibleString(s,copy, 0, 0);

    return 0;
}