您可以使用while循环代替for循环.

you could use a while loop instead of a for loop.

类似的东西(我猜您想在c上加3，否则c = 4可以替换下面的那一行)

something like (I'm guessing you want to add 3 to c otherwise c = 4 could replace that line below)

b = 1;
c = 1;
while(c < 10)
    if b == 1
        c = c + 3
    end
end