###크로스워드 만들기
from sys import stdin
a,b=stdin.readline().split()
ai=0
bi=0
for i in range(len(a)):
    if b.count(a[i])!=0:
        ai=i
        break               ###가로에서 겹치는곳
for i in range(len(b)):
    if a.count(b[i])!=0:
        bi=i
        break               ###세로에서 겹치는곳
for i in range(len(b)):
    l=str()
    if i!=bi:
        for j in range(len(a)):
            if j!=ai:
                l+='.'
            else:
                l+=b[i]   ###점찍어서 문자생성후출력
        print(l)
    else:
        print(a)

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

QUIgQkEK

AB BA