Help With Homework Question

Been trying to figure out this homework question for a while so I've decided I'd just come here fro some help. Here's the question:

"Two players, A and B, play a game called Eights. They take it in turns to choose a number 1, 2, or 3, which may not be the same as the last number chosen (so if A starts with 2, B may only choose 1 or 3 at the next move). A starts, and may choose any of the three numbers for the first move. After each move, the number chosen is added to a common running total. If the total reaches 8 exactly, the player whose turn it was wins the game. If a player causes the total to go over 8, the other player wins. Write a script to simulate each player's chances of winning, if they always play at random."

E = 0;
x = round(3*rand);
N = 0;
M = 1;
for X = 1
    if N == 1
        for B = 1
            if E == 8
                E
                display('Player B is the winner!')
                break
            elseif E > 8
                E
                display('Player A is the winner!')
                break
            elseif x(B) == 2
                E = E + 2;
                M == 2;
            else
                E = E + 3;
                M == 3
            end
        end
    elseif N == 2
        for B = 1
            if E == 8
                E
                display('Player B is the winner!')
                break
            elseif E > 8
                E
                display('Player A is the winner!')
                break
            elseif x(B) == 1
                E = E + 1;
                M == 1;
            else
                E = E + 3;
                M == 3
            end
        end
    elseif N == 3
        for B = 1
            if E == 8
                E
                display('Player B is the winner!')
                break
            elseif E > 8
                E
                display('Player A is the winner!')
                break
            elseif x(B) == 1
                E = E + 1;
                M == 1;
            else
                E = E + 2;
                M == 2
            end
        end
    elseif M == 1
        for A = 1
            if E == 8
                E
                display('Player A is the winner!')
                break
            elseif E > 8
                E
                display('Player B is the winner!')
                break
            elseif x(A) == 2
                E = E + 2;
                M == 2;
            else
                E = E + 3;
                M == 3;
            end
        end
    elseif M == 2
        for A = 1
            if E == 8
                E
                display('Player A is the winner!')
                break
            elseif E > 8
                E
                display('Player B is the winner!')
                break
            elseif x(A) == 1
                E = E + 1;
                M == 1;
            else
                E = E + 3;
                M == 3;
            end
        end
    elseif M == 3
        for A = 1
            if E == 8
                E
                display('Player A is the winner!')
                break
            elseif E > 8
                E
                display('Player B is the winner!')
                break
            elseif x(A) == 1
                E = E + 1;
                M == 1;
            else
                E = E + 2;
                M == 2;
            end
        end
    end
end

This can probably be made a lot shorter, but this was all I could think of. Unfortunately, it doesn't seem to work at all.

Thank You!

Answer 1

[Walter Roberson]

You have a bunch of tests against M and N, but the only time you assign them values is your initialisation.

M == 3

is not assignment statement