import std.stdio,
       std.conv,
       std.string,
       std.range,
       std.math,
       std.algorithm;

void main()
{
    auto L = readln.strip.to!int;
    auto N = readln.strip.to!int;
    auto S = readln.split;

    (8 ^^ ((L - 3) / 3) * N).writeln;
}