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

int main(){
    int n;
    cin >> n;
    int m;
    cin >> m;
    string s = to_string(m);
    int arr[n];
	cout << "Before: ";
    for(int i = 0; i < n; ++i)
    	cout << arr[i] << ' ';
    cout << endl;
    int j = 0;
    for(auto d : s){
        arr[j] = d-'0';
        j += 1;
    }
	cout << "After: ";
    for(int i = 0; i < n; ++i)
    	cout << arr[i] << ' ';
    cout << endl;
}