function [x ans] = killme(n)
ans = 0;
x = 0;
while ans == 0
    x = x+1;
    ihatemylife = num2str(x*n);
    if length(strfind(ihatemylife,'0'))+length(strfind(ihatemylife,'1')) == length(ihatemylife)
        ans = x*n;
    end
end