# coding: utf-8
s = input().split()

target = [1, 5, 6, 7, 8, 9, 15, 16, 19]

result ={}

for i in range(len(s)):
    if i + 1 in target:
        result[i+1] = s[i][:1]
    else:
        result[i+1] = s[i][:2]

print(result)