#include <iostream>
using namespace std;

int main()
{
    int x[10];
    cout << sizeof(x) << endl;
    for (unsigned int i = 0; i < sizeof(x) / sizeof(int); i++)
        cin >> x[i];
    int first = 0;
    for (unsigned int i = 0; i < sizeof(x) / sizeof(int); i++)
        if (x[i] > first)
            first = x[i];
    int second = 0;
    for (unsigned int i = 0; i < sizeof(x) / sizeof(int); i++)
        if (x[i] > second && first > x[i])
            second = x[i];
    int third = 0;
    for (unsigned int i = 0; i < sizeof(x) / sizeof(int); i++)
        if (x[i] > third && second > x[i])
            third = x[i];
    cout << first << endl;
    cout << second << endl;
    cout << third << endl;
}