#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

// 替换函数，忽略大小写
void replace_word(string& str, const string& old_word, const string& new_word) {
    size_t pos = 0;
    while ((pos = str.find(old_word, pos)) != string::npos) {
        str.replace(pos, old_word.length(), new_word);
        pos += new_word.length();  // 防止替换后继续替换同一位置
    }
}

int main() {
    string input, output;
    string line;

    // 逐行读取输入
    while (getline(cin, line)) {
        input += line + "\n";  // 逐行拼接成一个完整字符串
    }

    output = input;

    // 临时替换成占位符
    replace_word(output, "sky", "[sky_520000]");
    replace_word(output, "Sky", "[Sky_520000]");
    replace_word(output, "SKY", "[SKY_520000]");
    replace_word(output, "aqua", "[aqua_520000]");
    replace_word(output, "Aqua", "[Aqua_520000]");
    replace_word(output, "AQUA", "[AQUA_520000]");

    // 替换占位符为目标单词
    replace_word(output, "[sky_520000]", "aqua");
    replace_word(output, "[Sky_520000]", "Aqua");
    replace_word(output, "[SKY_520000]", "AQUA");
    replace_word(output, "[aqua_520000]", "sky");
    replace_word(output, "[Aqua_520000]", "Sky");
    replace_word(output, "[AQUA_520000]", "SKY");

    // 输出替换后的结果
    cout << output;

    return 0;
}

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

// 替换函数，忽略大小写
void replace_word(string& str, const string& old_word, const string& new_word) {
    size_t pos = 0;
    while ((pos = str.find(old_word, pos)) != string::npos) {
        str.replace(pos, old_word.length(), new_word);
        pos += new_word.length();  // 防止替换后继续替换同一位置
    }
}

int main() {
    string input, output;
    string line;

    // 逐行读取输入
    while (getline(cin, line)) {
        input += line + "\n";  // 逐行拼接成一个完整字符串
    }

    output = input;

    // 临时替换成占位符
    replace_word(output, "sky", "[sky_520000]");
    replace_word(output, "Sky", "[Sky_520000]");
    replace_word(output, "SKY", "[SKY_520000]");
    replace_word(output, "aqua", "[aqua_520000]");
    replace_word(output, "Aqua", "[Aqua_520000]");
    replace_word(output, "AQUA", "[AQUA_520000]");

    // 替换占位符为目标单词
    replace_word(output, "[sky_520000]", "aqua");
    replace_word(output, "[Sky_520000]", "Aqua");
    replace_word(output, "[SKY_520000]", "AQUA");
    replace_word(output, "[aqua_520000]", "sky");
    replace_word(output, "[Aqua_520000]", "Sky");
    replace_word(output, "[AQUA_520000]", "SKY");

    // 输出替换后的结果
    cout << output;

    return 0;
}