private static FibMatrix BinPow(FibMatrix val, int pow)
{
FibMatrix res = new FibMatrix(1, 0, 0, 1);
if (pow == 0)
{
return(res);
}
bool isNegative = pow > 0 ? false : true;
var exp = Math.Abs(pow);
while (exp > 0)
{
if (exp % 2 == 1)
{
res *= val;
}
val *= val;
exp >>= 1;
}
if (isNegative)
{
return(1 / (res.a00 * res.a11 - res.a01 * res.a10)
* (new FibMatrix(res.a11, (-1) * res.a01, (-1) * res.a10, res.a00)));
}
else
{
return(res);
}
}
static public void Main()
{
string[] stringArray = Console.ReadLine().Split(' ');
long[] intArray = Array.ConvertAll(stringArray, Int64.Parse);
var m = new FibMatrix(1, 1, 1, 0);
m = m.RaiseMatrixByPowerMod(intArray[0] - 1, intArray[1]);
Console.WriteLine(m.Result());
string[] stringArray23 = Console.ReadLine().Split(' ');
}
public FibMatrix MultiplyMod(FibMatrix v, long divisor)
{
var result = new FibMatrix();
var i = v.e1;
var j = v.e2;
result.e1 = (e1 * i + e3 * j) % divisor;
result.e2 = (e2 * i + e4 * j) % divisor;
i = v.e3;
j = v.e4;
result.e3 = (e1 * i + e3 * j) % divisor;
result.e4 = (e2 * i + e4 * j) % divisor;
return(result);
}
