int s1, s2, s3, a, b, c;

    cout << "Masukkan S1 : ";
    cin >> s1;
    cout << "Masukkan S2 : ";
    cin >> s2;
    cout << "Masukkan S3 : ";
    cin >> s3;

    if (s1 > s2 && s1 > s3) {
        a = s1;
        b = s2;
        c = s3;
    }
    else if (s2 > s1 && s2 > s3) {
        a = s2;
        b = s1;
        c = s3;
    }
    else if (s3 > s2 && s3 > s1) {
        a = s3;
        b = s2;
        c = s1;
    }

    if (a * a == b * b + c * c) {
        cout << "Segitiga Siku-Siku";
    }
    else if (a * a > b * b + c * c) {
        cout << "Segitiga Tumpul";
    }
    else if (a * a < b * b + c * c) {
        cout << "Segitiga Lancip";
    }