#include <bits/stdc++.h>

using namespace std;

int main() {
    char chr;
    cin >> chr;
    if (chr >= 'A' && chr <= 'Z') cout << "capital" << endl;
    else if (chr >= 'a' && chr <= 'z') cout << "lowercase" << endl;
    else if (chr >= '0' && chr <= '9') cout << "number" << endl;
    else cout << "others" << endl;
    return 0;
}