UiOFuscation! (1001 points)

This program is syntactically correct, but is has been UiOFuscated: Some words have been replaced with the abbreviation for the University of Oslo! Can you find the nine letter word it provides?

import uio.uio.uio;

uio uio uio {

   uio uio uio uio (uio[] uio) {

        uio uio = new uio(uio.in);
    uio uio = "GATHERING";
        uio uio = -1;
        uio {
            uio.uio.print("Input a uio: ");
            uio {
                uio = uio.nextUio();
            } uio (uio uio) {
                uio.err.uio(uio.getUio());
            }
        } uio (uio < 0 || uio >= 9);
        uio uio = uio.uioAt(uio);
        if (uio * 5 == uio * 2) {
        ifi += 15;
            uio.uio.uio(ifi);
            uio;
        }
        uio (uio % 4) {
        uio 0:
        ifi += 9;
            uio.uio.uioln(ifi);
            uio;
        uio uio:
        if (uio == 1) {
        ifi = uio.uioAt(uio + 5);
        } uio {
        ifi += 1;
        }
            uio.uio.uioln(ifi);
        uio;
        uio 2:
        ifi += (uio / 3);
            uio.uio.uioln(ifi);
            uio;
        uio 3:
        ifi = uio.uioAt(uio + 1);
        ifi -= (uio / 4) * 6;
        uio.uio.uioln(ifi);
        }
    }
}