function horse_racing(data) {
    let horses = data.shift().split("|");
    data.pop()

    for (const line of data) {
        let command_data = line.split(' ')
        let command = command_data[0]
        if (command === "Retake") {
            let first_horse = command_data[1]
            let second_horse = command_data[2]
            if (horses.includes(first_horse) && horses.includes(second_horse)) {
                let first_index = horses.indexOf(first_horse);
                let second_index = horses.indexOf(second_horse);
                if (first_index < second_index) {
                    let overtaking = horses[first_index];
                    horses[first_index] = horses[second_index];
                    horses[second_index] = overtaking;
                    console.log(`${first_horse} retakes ${second_horse}.`);
                }
            }
        } else if (command === "Trouble") {
            let first_horse = command_data[1]
            if (horses.includes(first_horse)) {
                let horse_index = horses.indexOf(first_horse);
                if (horse_index > 0) {
                    let deleted_horse = horses.splice(horse_index, 1)[0];
                    horses.splice(horse_index - 1, 0, deleted_horse);
                    console.log(`Trouble for ${first_horse} - drops one position.`);
                }
            }
        } else if (command === "Rage") {
            let firs_horse = command_data[1]
            let index = horses.indexOf(firs_horse);

            if (index === horses.length - 1) {
                console.log(`${firs_horse} rages 2 positions ahead.`);
            }
            else if (index === horses.length - 2) {
                let deleted_horse = horses.splice(index, 1)[0];
                horses.splice(index + 1, 0, deleted_horse);
                console.log(`${firs_horse} rages 2 positions ahead.`);
            }
            else if (index < horses.length - 2) {
                let deleted_horse = horses.splice(index, 1)[0];
                horses.splice(index + 2, 0, deleted_horse);
                console.log(`${firs_horse} rages 2 positions ahead.`);
            }
        } else if (command === "Miracle") {
            let deleted_horse = horses.splice(0, 1)[0];
            horses.splice(horses.length, 0, deleted_horse);
            console.log(`What a miracle - ${deleted_horse} becomes first.`);
        }
    }
    console.log(horses.join('->'));
    console.log(`The winner is: ${horses[horses.length - 1]}`);
}