#include <iostream>

using namespace std;

int main()
{
    string valores[4];
    valores[0] = "20";
    valores[1] = "30";
    valores[2] = "40";
    valores[3] = "50";
    cout << valores <<endl;
    for(int i = 0; i<=3; i++){
        cout << valores[i] <<endl;
    }
    return 0;
}