#include <bits/stdc++.h>

using namespace std;

void out(char c, int cnt) {
    for (int i = 1; i <= cnt; i++) printf("%c", c);
}

bool check(char x, char y) {
    if (isdigit(x) && isdigit(y) && x < y) return true;
    if (isalpha(x) && isalpha(y) && x < y) return true;
    return false;
}

int main() {
    int p1, p2, p3;
    string s;

    cin >> p1 >> p2 >> p3 >> s;

    for (int i = 0; i < s.size(); i++) {
        char x = s[i - 1], y = s[i + 1];
        if (s[i] == '-' && check(x, y)) {
            if (p1 == 3)
                for (char a = x + 1; a < y; a++) out('*', p2);

            if (p1 == 1) {
                if (p3 == 1)
                    for (char a = x + 1; a < y; a++) out(tolower(a), p2);
                else
                    for (char a = y - 1; a > x; a--) out(tolower(a), p2);
            }
            if (p1 == 2) {
                if (p3 == 1)
                    for (char a = x + 1; a < y; a++) out(toupper(a), p2);
                else
                    for (char a = y - 1; a > x; a--) out(toupper(a), p2);
            }

        } else
            cout << s[i];
    }
    return 0;
}