input.onButtonPressed(Button.A, function () {
    scharf = 1
})
input.onButtonPressed(Button.B, function () {
    scharf = 0
    alarm = 0
    basic.turnRgbLedOff()
    music.rest(music.beat(BeatFraction.Whole))
})
let alarm = 0
let scharf = 0
scharf = 0
alarm = 0
basic.forever(function () {
    if (scharf == 1) {
        if (Math.abs(input.acceleration(Dimension.Z)) < 980) {
            alarm = 1
        }
        if (alarm == 1) {
            basic.setLedColor(0xff0000)
            music.ringTone(262)
        }
    }
})