import * as fs from "fs"

type Input = (args: string) => void

const product = (pool: number[], repeat: number) => {
    let result: number[][] = new Array(new Array())
    for (let i = 0; i < repeat; i++) {
        let tmp: number[][] = new Array()
        result.forEach(x => { pool.forEach(y => tmp.push(x.concat(y))) })
        result = tmp
    }
    return result
};

const main: Input = args => {
    const input = args.trim().split("\n");
    const N = +input.shift()
    const E = input.shift().split(" ").map(x => +x)

    let ans = false

    product([0, 1, 2], N).forEach(x => {
        let team = Array(3).fill(0);
        E.forEach((e, i) => team[x[i]] += e)
        if (team.every(el => el === team[0])) ans = true
    })
    console.log(ans ? "Yes" : "No")
}

main(fs.readFileSync('/dev/stdin', 'utf8'))