#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

char*mmap();
char wbuf[1<<25];

#define rd_skip() while(*rp++>=48)
#define rd(v) long v=0;{long _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;}

// splitmix64
// https://yukicoder.me/submissions/709979
static inline
unsigned long splitmix64(unsigned long x) {
	x += 0x9e3779b97f4a7c15;
	x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
	x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
	return x ^ (x >> 31);
}

main(){
	char*rp=mmap(0l,1l<<25,1,2,0,0ll);
	char*wp=wbuf;
	rd_skip();
	while(*rp){
		rd(n);
		unsigned long h=0;
		while(n--){
			rd(a);
			h^=splitmix64(a);
		}
		if(h){
			*(long*)wp=(long)'\ne'<<32|'cilA';
			wp+=6;
		}else{
			*(int*)wp='\nboB';
			wp+=4;
		}
	}
	write(1,wbuf,wp-wbuf);
	_exit(0);
}