#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main()
{
char temp;
char Key[] = "S!@#@1FD23154A34";
int len = strlen(Key);
for (int i = len - 3; i - 2 >= -1; i -= 2)
{
for (int j = len - 4; j - 4 >= -3; j -= 4)
{
temp = Key[j];
Key[j] = Key[j - 4];
Key[j - 4] = temp;
}
temp = Key[i];
Key[i] = Key[i - 1];
Key[i - 1] = temp;
}
printf("%s\n", Key);
return 0;
}
