#include <iostream>
#include <fstream>
#include <vector>
#include <string>
using namespace std;

void FileToString (char* fileName, string &str){
    string tmp;
    ifstream input;
    input.open (fileName);
    input.seekg(0,ios::end);
    streampos length = input.tellg();
    input.seekg(0,std::ios::beg);
    std::vector<char>       buffer(length);
    input.read(&buffer[0],length);
    str = string(buffer.begin(),buffer.end()-1);
    // while (!input.eof ()) {
    //     getline (input, tmp);
    //     str += tmp;
    //     if (!input.eof())
    //         str += "\n";
    // }
}

void StringToArray (string& str, vector<short>& v){
    
    size_t n = str.length();
    v.resize(n);
    for (int i=0; i<n; i++){
        char c=str[i];
        if ((c<='z') && (c>='a'))
            v[i] = c-'a';
        if ((c<='Z') && (c>='A'))
            v[i] = c-'A';
        switch (c) {
            case '.': v[i]= 26;break;
            case ',': v[i]= 27;break;
            case '\n': v[i]= 28;break;
            case ' ': v[i]= 29;break;
            case ':': v[i]= 30;break;
            case ';': v[i]= 31;break;
            case '?': v[i]= 32;break;
            case '!': v[i]= 33;break;
            case 39: v[i]= 34;break; // caractère '
            case '"': v[i]= 35;break; 
            case '-': v[i]= 36;break;
         
        }
    }
}
void ArrayToString (vector<short>& v, string& str){
    
    size_t n = v.size();
    for (int i=0; i<n; i++){
        char c=v[i];
        if (c < 26)
            str += (c + 'a');
        switch (c) {
            case 26: str+='.'; break;
            case 27: str+=','; break;
            case 28: str+='\n'; break;
            case 29: str+=' '; break;
            case 30: str+=':'; break;
            case 31: str+=';'; break;
            case 32: str+='?'; break;
            case 33: str+='!'; break;
            case 34: str+=(char)39; break; // caractère '
            case 35: str+='"';break; 
            case 36: str+='-';break;
         
        }
    }
}

int main(int argc, char** argv){
    if (argc < 2){
        cerr << "Erreur: au moins un argument attendu"<< endl;
        return (-1);
    }
    string str;
    FileToString (argv[1], str);

    vector<short> v;

    StringToArray(str, v);

    for (int i=0; i<v.size(); i++)
        cout<<v[i]<<" ";
    cout<<endl;
    string str2;
    ArrayToString(v,str2);
    cout<<str2;
//    cout << str;
    return 0;
}