static void Method(string[] args)
{
int q = ReadInt();
long mask = 1000003;
var calculator = new CaseCalculator(mask, mask + 100);
for (int i = 0; i < q; i++)
{
long[] xdn = ReadLongs();
long x = xdn[0];
long d = xdn[1];
long n = xdn[2];
if (d == 0)
{
WriteLine(calculator.Pow(x, n));
}
else
{
long baseVal = calculator.Multi(x, calculator.Inverse(d));
if (baseVal + n - 1 >= mask)
{
WriteLine(0);
}
else
{
WriteLine(calculator.Multi(
calculator.Permutation(baseVal + n - 1, n),
calculator.Pow(d, n)));
}
}
}
}
static void Method(string[] args)
{
long[] kn = ReadLongs();
long k = kn[0];
long n = kn[1];
long mask = 998244353;
CaseCalculator calculator = new CaseCalculator(mask, n + k - 1);
long allPat = calculator.Combination(n + k - 1, n);
long[] res = new long[2 * k - 1];
long prevPats = 0;
for (long val = 2; val <= k + 1; val++)
{
long pats = Min(val - 2, 2 * k - val) / 2 + 1;
if (pats == prevPats)
{
res[val - 2] = res[val - 3];
res[2 * k - val] = res[val - 3];
continue;
}
long seqCnt = Min(pats, n / 2);
long resTmp = allPat;
for (long i = 1; i <= seqCnt; i++)
{
long tmp = calculator.Combination(pats, i);
tmp = calculator.Multi(tmp,
calculator.Combination(k - 1 + n - i * 2, k - 1));
if (i % 2 == 1)
{
resTmp += mask - tmp;
}
else
{
resTmp += tmp;
}
resTmp %= mask;
}
res[val - 2] = resTmp;
res[2 * k - val] = resTmp;
prevPats = pats;
}
for (int i = 0; i < 2 * k - 1; i++)
{
WriteLine(res[i]);
}
}
static void Method(string[] args)
{
long[] nk = ReadLongs();
long n = nk[0];
long k = nk[1];
long mask = 1000000000 + 7;
CaseCalculator calculator = new CaseCalculator(mask, n * 2);
long res = 1;
for (long i = 1; i <= Min(n, k); i++)
{
long tmp = calculator.Combination(n, i);
tmp = calculator.Multi(tmp, calculator.Combination(n - 1, i));
res += tmp;
res %= mask;
}
WriteLine(res);
}
static void Method(string[] args)
{
long[] nk = ReadLongs();
long n = nk[0];
long k = nk[1];
string t = Read();
long equals = 0;
long notEquals = 0;
for (int i = 0; i < t.Length / 2; i++)
{
if (t[i] == t[(int)n - i - 1]) equals++;
else notEquals++;
}
long mask = 1000000000 + 7;
long[] equalPats = new long[equals+1];
long[] notEqualPats = new long[notEquals+1];
CaseCalculator calculator = new CaseCalculator(mask, n);
long pow25 = 1;
for(long i = 0; i <= equals; i++)
{
equalPats[i] = calculator.Combination(equals, i);
equalPats[i] = calculator.Multi(equalPats[i], pow25);
pow25 *= 25;
pow25 %= mask;
if (i > 0)
{
equalPats[i] += equalPats[i - 1];
equalPats[i] %= mask;
}
}
long[] twoPows = new long[notEquals + 1];
twoPows[0] = 1;
for(long i = 1; i <= notEquals; i++)
{
twoPows[i] = twoPows[i - 1] * 2;
twoPows[i] %= mask;
}
long pow24 = 1;
for(long i = 0; i <= notEquals; i++)
{
notEqualPats[i] = calculator.Multi(
calculator.Combination(notEquals, i), twoPows[notEquals - i]);
notEqualPats[i] = calculator.Multi(notEqualPats[i], pow24);
pow24 *= 24;
pow24 %= mask;
}
/*
long[] notEqualSums = new long[notEquals + 1];
for (long i = 0; i <= notEquals; i++)
{
notEqualSums[i] = notEqualPats[i];
if (i > 0) notEqualSums[i] += notEqualSums[i - 1];
notEqualSums[i] %= mask;
}
*/
long res = 0;
bool haveCenter = n % 2 == 1;
for (long i = 0; i <= notEquals; i++)
{
long remain = k - notEquals - i;
if (remain < 0) continue;
if (!(notEquals == 0 && remain == 1))
{
res += calculator.Multi(notEqualPats[i],
equalPats[Min(equals, remain / 2)]);
}
if (remain > 0 && haveCenter)
{
long tmp = calculator.Multi(notEqualPats[i],
equalPats[Min(equals,(remain - 1) / 2)]);
tmp = calculator.Multi(tmp, 25);
res += tmp;
}
res %= mask;
}
WriteLine(res);
}