// "Move 'return' closer to computation of the value of 'n'" "true-preview"
class T {
    int x;
    int y;

    int f(int a) {
        int n = -1;
        if (a != 0) {
            n = a;
            n = 31 * x + n;
            n = 31 * y + n;
        }
        re<caret>turn n;
    }
}