在TeX中,左双引号是“``”,右双引号是“’’”。输入一篇包含双引号的文章,你的任务是
把它转换成TeX的格式。
样例输入:
"To be or not to be," quoth the Bard, "that
is the question".
样例输出:
``To be or not to be,'' quoth the Bard, ``that
is the question''.
#include<bits/stdc++.h>
#include<algorithm>
using namespace std;
int main(){
int c,q=1;
while((c=getchar())!=EOF){
if(c=='"'){
printf("%s",q?"``":"''");
q=!q;
}else{
printf("%c",c);
}
}
}










