You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
577 B
C++
22 lines
577 B
C++
#define _CRT_SECURE_NO_WARNINGS
|
|
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
|
|
#include <bits/stdc++.h>
|
|
using namespace std;
|
|
const int N = 1 << 20;
|
|
char buf[N];
|
|
int main()
|
|
{
|
|
scanf("%s", buf);
|
|
int len = strlen(buf);
|
|
bool flag = false;
|
|
putchar(buf[0]);
|
|
for (int i = 1; i < len;)
|
|
if (memcmp(buf + i, "dot", 3) == 0 && i + 3 < len)
|
|
putchar('.'), i += 3;
|
|
else if (!flag && memcmp(buf + i, "at", 2) == 0 && i + 2 < len)
|
|
putchar('@'), i += 2, flag = true;
|
|
else
|
|
putchar(buf[i]), i++;
|
|
return 0;
|
|
}
|