// "Move 'return' closer to computation of the value of 'n'" "true-preview"
class T {
    int f() {
        int n = -1;
        for(int i=0;; i++) {
            if (i % 127 == 0 && i % 129 == 0) {
                n = i + 1;
                break;
            }
        }
        r<caret>eturn n;
    }
}