var colors = [
    "red",
    "orange",
    "yellow",
    "green",
    "blue",
    "violet",
    "indigo"
];

fn getRainbowColor(index) {
    return colors[index];
}


import standard;
import random;

var rng: opaque = createRandomGenerator(hash(clock()));



print getRainbowColor(rng.generateRandomNumber() % colors.length());
print getRainbowColor(rng.generateRandomNumber() % colors.length());
print getRainbowColor(rng.generateRandomNumber() % colors.length());
print getRainbowColor(rng.generateRandomNumber() % colors.length());
print getRainbowColor(rng.generateRandomNumber() % colors.length());