// Certain coins and gems attract lightning.
// The hero should only grab silver coins and blue gems.

while (true) {
    var item = hero.findNearestItem();
    // A silver coin has a value of 2.
    // Collect if item.type is equal to "coin"
    // AND item.value is equal to 2.

    if (item.type == "coin" && item.value == 2) {
        hero.moveXY(item.pos.x, item.pos.y);
    }
    // A blue gem has a value of 10.
    // Collect if item.type is equal to "gem"
    // AND item.value is equal to 10.
    if (item.type == "gem" && item.value == 10) {
        hero.moveXY(item.pos.x, item.pos.y);
    }
}

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