1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#include <iostream>
#include <sstream>
#include <string>

int main() {
    int n;
    std::string line;
    std::getline(std::cin, line);
    std::istringstream iss(line);
    iss >> n;

    int count = 0;
    int number;
    std::string allow;

    for (int i=1; i<=n; i++) {
        std::getline(std::cin, line);
        std::istringstream iss(line);
        iss >> allow >> number;

        if (count == 20) {
            continue;
        }

        if (allow[0] == 'N') {
            continue;
        }

        if (count >= 10 && number >= 2) {
            continue;
        }

        std::cout << i;
        count++;

        if (count == 20) {
            std::cout << std::endl;
        } else {
            std::cout << " ";
        }
    }

    return 0;
}