#include <iostream>

using namespace std;

int main (){
    int n;
    cin >> n;
    char rez[n];
    char x[2];
    for (int i = 0; i < n; ++i){
        cin >> x[0] >> x[1];
        if (x[0] == '1'){rez[i] = '.';} else {rez[i] = '-';}
    }
    for (int i = 0; i < n; ++i){
        cout << rez[i];
    }
    cout << endl;
}