

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']
n = int(input())
for i in range(n) :    
    f = input().replace(' ','')
    print (chr (97 + a.index(f)), end='')