clc,clear
raw=importdata('raw6');
a=char(raw.textdata);
b=a(301:600,:);
a=a(1:300,:);
%y2
y2=raw.data+1;
%Off = 0, On = 1, toggle = -1
%Variable list: action, x1,y1,x2,y2
grid=zeros(1000);
%Part 2
for i=1:300
    %action from a
    if a(i,2)=='u' %turn
        if a(i,7)=='n' %on
            action=1;
        else %off
            action=0;
        end
    else %toggle
        action=-1;
    end
    %x1 from a
    if a(i,2)=='u' %turn
        x1=str2num(a(i,9:12));
    else
        x1=str2num(a(i,8:10));
    end
    %y1 from b
    if b(i,2)==' '
        y1=str2num(b(i,1));
    else
        y1=str2num(b(i,1:3));
    end
    %x2 from b
    if b(i,2)==' '
        x2=str2num(b(i,11:13));
    else
        x2=str2num(b(i,12:15));
    end
    %0-999 -> 1-1000
    x1=x1+1;
    x2=x2+1;
    y1=y1+1;
    %Now go
    for j=x1:x2
        for k=y1:y2(i)
            switch action
                case 0 %off
                    if grid(j,k) %not 0
                        grid(j,k)=grid(j,k)-1;
                    end
                case 1 %on
                    grid(j,k)=grid(j,k)+1;
                otherwise %toggle
                    grid(j,k)=grid(j,k)+2;
            end
        end
    end
end
sum(sum(grid))