Weaponsmith

function solve(input) {
    let particles = input.shift().split('|')
    let line = input.shift()
    while (line !== "Done") {
        let arr = [];
        if (line.includes("Left")) {
            let index = Number(line.split(' ')[2])
            if (index > 0  &&  index < particles.length) {
               let temp = particles[index-1]
               particles[index-1] = particles[index]
               particles[index] = temp;
            }
        }
        else if (line.includes("Right")) {
            let index = Number(line.split(' ')[2])
            if (index >= 0 && index < particles.length -1 ) {
               let temp = particles[index+1]
               particles[index+1] = particles[index]
               particles[index] = temp;
             }
        }
        else if (line.includes("Even")){
            for (let i = 0; i < particles.length; i+=2) {
                arr.push(particles[i])
            }
        }
        else if (line.includes("Odd")){
            for (let i = 1; i < particles.length; i+=2) {
                arr.push(particles[i])
            }
        }
        line = input.shift()
        if (arr.length > 0) {
            console.log(arr.join(' '));
        }
    }
    console.log(`You crafted ${particles.join('')}!`);
}