int main(void) {
    int a, b, c;
    int a2, b2, c2;
    int result;
 
    // 入力
    scanf("%d %d %d", &a, &b, &c);
 
    // 絶対値の比較のために二乗する
    a2 = a * a;
    b2 = b * b;
    c2 = c * c;
 
    // 最も絶対値が大きいものを選ぶ（元の値で保持）
    result = a;
    if (b2 > a2 && b2 > c2) {
        result = b;
    } else if (c2 > a2 && c2 > b2) {
        result = c;
    }
 
    // 出力
    printf("%d\n", result);
 
    return 0;
}
 

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OQotMTAKMg==

9
-10
2