

Input

The first line of the input contains a single integer N (1 ≤ N ≤ 24). The next N lines contain 5 space-separated integers each. The first three integers will be between 0 and 2, inclusive. The last two integers will be between 0 and 3, inclusive. The sum of the first three integers will be equal to the sum of the last two integers.

Output

Output the result – a string of lowercase English letters.

Examples

Input


1
1 0 0 1 0


Output


a


Input


10
2 0 0 1 1
1 1 1 2 1
2 1 0 1 2
1 1 0 1 1
2 1 0 2 1
1 1 1 2 1
1 2 1 3 1
2 0 0 1 1
1 1 0 1 1
1 1 2 2 2


Output


codeforcez
a=['10010','11020','20011','21012','11011','21021','22022','12021','00000','12012','10120','11130','20121','21122','11121','21131','22132','12131','11111','12122','10221','11231','12113','20222','21223','11222']
for i in range(int(input())):    s=input().replace(' ','');    print(chr(97+a.index(s)),end='')