const p = 12345679943n;

function onClick() {
    if(n >= 30000n) {
        return;
    }
    n++;
    x = log(42n, 1n + (x+n) % (p-1n), p);
}

function log(g, b, m) {
    const s = Math.ceil(Number(m)**.5);
    const r = new Map();
    let a = b % m;
    if(a == 1n) {
        return 0n;
    }
    for(let i = 0; i < s; i++) {
        r.set(a, i);
        a *= g;
        a %= m;
    }
    const gs = pow(g, BigInt(s), m);
    a = gs;
    for(let j = 1; j <= s; j++) {
        const i = r.get(a);
        if(i !== undefined) {
            return BigInt(j*s-i);
        }
        a *= gs;
        a %= m;
    }
}