#include <bits/stdc++.h>
#include "testlib.h"
using namespace std;

const int MAX_AXIS_LENGTH = 1000;
const int SAME_CHARACTERS_LIMITATION = 10;

void judge(string result) {
    int result_length = result.length();

    if (0 < result_length && result_length <= 5) {
        quitf(_wa, "you didn't even submit art! garbage doesn't stay here ╰（‵□′）╯");
    } else if (result_length <= 20) {
        quitp(0.1, "trivial, nothing special, at all （＞人＜；）");
    }

    unordered_set<char> unique_characters(result.begin(), result.end());
    int differentiation = unique_characters.size();

    if (differentiation < 10) {
        quitp(0.3, "looks good, but not magnificent enough (′д｀ )…彡…彡");
    } else if (differentiation < 20) {
        quitp(0.6, "hmmm, decent ○( ＾皿＾)っ Hehehe");
    } else if (differentiation < 26) {
        quitp(0.8, "nearly became a masterpiece of art\(￣︶￣*\))");
    }

    quitf(_ok, "wow, i'm impressed, such an incredible piece of art o(*￣▽￣*)ブ");
}

int main(int argc, char* argv[]) {
    registerTestlibCmd(argc, argv);

    vector<string> canvas;
    string canvas_line;
    while (!ouf.eof()) {
        canvas_line = ouf.readLine();
        ensuref(canvas_line.length() <= MAX_AXIS_LENGTH, "Invalid canvas size!");
        canvas.push_back(canvas_line);
    }

    string result;
    for (string line: canvas) result.append(line);

    judge(result);
}