第3章-22 輸出大寫英文字母
s1 = list(input())
s2 = ""
cnt = 0
for i in s1:
if i.isupper() and i not in s2:
s2 += i
cnt += 1
if cnt == 0:
print("Not Found")
else:
print(s2)
s1 = list(input())
s2 = ""
cnt = 0
for i in s1:
if i.isupper() and i not in s2:
s2 += i
cnt += 1
if cnt == 0:
print("Not Found")
else:
print(s2)