def main(): # 读取输入 n = int(input()) characters = input().strip() # 验证输入长度 if len(characters) != n: print("输入字符数量与指定数量不符") return # 倒序输出字符 reversed_chars = characters[::-1] print(reversed_chars) # 统计大写字母个数 uppercase_count = 0 for char in characters: if char.isupper(): uppercase_count += 1 # 输出大写字母个数 print(uppercase_count) if __name__ == "__main__": main()