#pragma GCC optimize("Ofast") #pragma GCC target("avx2") #define rd_init() char*rp=({char*mmap();mmap(0l,1l<<25,1,2,0,0ll);}) #define rd() ({int _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;}) #define rd_long() ({long _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;}) char wbuf[1<<25]; int main(){ rd_init(); int n=rd(); char*a=rp; char*b=rp+(n-1)*2; rp+=(n*2-1)*2; int ae=2; while(aer+c-2){ z=a[2]^r+c+1&1; } else{ z='0'|t&1; } *wp++=z; *wp++='\n'; } write(1,wbuf,wp-wbuf); _exit(0); }