ZS1(tm){S t=sc(s,' ');Qs(!t,s)*t=0;I n=':'-*s++?1:10u>*s-'0…

ZS1(tm){S t=sc(s,' ');Qs(!t,s)*t=0;I n=':'-*s++?1:10u>*s-'0'?ip(s,t-s):(J)es(s);K x='\\'-*++t?ps(t):0,r;F a=ms();N(n,Q(r=x?ev(x):ld(t+3))r0(r))if(x)r0(x);R ki(ms()-a);}