#pragma GCC optimize("Ofast") #define rd() ({long _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;}) #define wt(v) {ulong _z=v;do*--wp=_z%10+48;while(_z/=10);} #define rep(v,e) for(long v=0;v=s;) typedef unsigned long ulong; char wbuf[1<<25]; unsigned wd[10000]; char wdlz[10000]; void mkwd(){ unsigned v='0000'; long i=0; rep(a,10){ rep(b,10){ rep(c,10){ rep(d,10){ wd[i++]=v; v+=1<<24; } v+=(1<<16)-(10<<24); } v+=(1<<8)-(10<<16); } v+=(1<<0)-(10<<8); } rep(j,1000) wdlz[j]=1; rep(j,100) wdlz[j]=2; rep(j,10) wdlz[j]=3; } int main(){ mkwd(); long n,s; { char rbuf[64]; read(0,rbuf,sizeof rbuf); char*rp=rbuf; n=rd(); s=rd(); } long k=0; char*wp=wbuf+sizeof wbuf; rrep3(i,1,n+1){ if(s>=i){ s-=i; { unsigned v=i; *--wp=' '; wp-=4; *(unsigned*)wp=wd[v%10000]; if(v>=10000){ v/=10000; wp-=4; *(unsigned*)wp=wd[v]; } wp+=wdlz[v]; } ++k; } } *--wp='\n'; { unsigned v=k; *--wp=' '; wp-=4; *(unsigned*)wp=wd[v%10000]; if(v>=10000){ v/=10000; wp-=4; *(unsigned*)wp=wd[v]; } wp+=wdlz[v]; } write(1,wp,wbuf+sizeof wbuf-wp); _exit(0); }