1#include <cstdlib>2#include <iostream>3using namespace std;4 5char encoder[26] = {'C','S','P',0};6char decoder[26];7 8string st;9 10int main()  {11  int k = 0;12  for (int i = 0; i < 26; ++i)13    if (encoder[i] != 0) ++k;14  for (char x ='A'; x <= 'Z'; ++x) {15    bool flag = true;16    for (int i = 0; i < 26; ++i)17      if (encoder[i] ==x) {18        flag = false;19        break;20      }21      if (flag) {22        encoder[k]= x;23        ++k;24      }25  }26  for (int i = 0; i < 26; ++i)27     decoder[encoder[i]- 'A'] = i + 'A';28  cin >> st;29  for (int i = 0; i < st.length( ); ++i)30    st[i] = decoder[st[i] -'A'];31  cout << st;32  return 0;33}