Description

’Why are you always repeating what I say?’ says Applese, a friend of Little Sub.

’Because it is the most important quality of mankind.’ says Little Sub.

Now it is your turn to repeat what Applese says.

Generally, each sentence Applese says will only contains ’A’..’Z’, ’a’..’z’, ’0’..’9’, space, ’!’ and ’.’.

Each sentence will definitely end with either ’!’ or ’.’. If it ends with ’.’, change it to ’!’ instead.

Applese has just passed his 17th birthday, we wish him and his friends very good luck in the future study and programming competitions.

Input

There are multiple cases, please read until the end of file.

Each case will only contain one sentence in one line, indicating what Applese says. The total length of all sentences will not exceed 1000000.

Output

Output the answer in one line for each case.

Author

YE, Zicheng

题解:给你一个带空格的字符串,如果结尾是".",改成"!"后输出.

超级水题.

#include 
    
     #include 
     
      const int N=1e6+5;using namespace std;char s[N];int main(){    while(cin.getline(s,N-3)){      int len=strlen(s);      if(s[len-1]=='.') s[len-1]='!';      cout<
      <