a=1354

s=0
t=0
u=0
r=0
goto s_step

s_step:
if a<1000 then goto t_step else a=a-1000 and s=s+1 and goto s_step
t_step:
if a<100 then goto t_step else a=a-100 and t=t+1 and goto t_step
u_step:
if a<10 then goto u_step else a=a-10 and u=u+1 and goto u_step
r_step:
if a<1 then goto stepXXX else a=a-1 and r=r+1 and goto stepxxx