// PR Bab 04, soal 4 -- pembahasan.

#include <iostream>
using namespace std;

int main() {
    int a, b, c;
    cin >> a >> b >> c;

    // Urutkan tiga nilai dengan tiga penukaran sehingga a <= b <= c.
    if (a > b) { int t = a; a = b; b = t; }
    if (b > c) { int t = b; b = c; c = t; }
    if (a > b) { int t = a; a = b; b = t; }

    if (a + b <= c) {
        cout << "BUKAN SEGITIGA\n";
    } else if (a == b && b == c) {
        cout << "SAMA SISI\n";
    } else if (a == b || b == c) {
        cout << "SAMA KAKI\n";
    } else {
        cout << "SEMBARANG\n";
    }
    return 0;
}