ademir

#include <iostream>
#include <algorithm>

using namespace std;

int main() {
    int ar[4];
    cin >> ar[0];
    cin >> ar[1];
    cin >> ar[2];
    cin >> ar[3];

    bool b = 0;

    sort(ar, ar + 4);

    for (int i = 0; i < sizeof(ar) / sizeof(int) - 2; i++) {
            for (int j = i + 2; j < sizeof(ar) / sizeof(int); j++) {
                if (ar[i] + ar[i+1]> ar[j]) b = 1;
            }
        }

    if (b) cout << "S";
    else cout << "N";
    return 0;
}