// VS Code

let arr = [5, 4, 3, 2, 5, 2];
let N = arr[0];
let even = 1;
let odd = 1;

for (let i = 1; i <= N; i++) {
    let num = arr[i];
    if (i % 2 === 0) {
        even = even * num;
    } else {
        odd = odd * num;
    }
}

if (even === odd) {
    console.log(`yes ${even}`)
} else { console.log(`no ${odd} ${even}`) }

// Judge

let N = +gets;
let even = 1;
let odd = 1;

for (let i = 1; i <= N; i++) {
    let num = +gets();
    if (i % 2 === 0) {
        even = even * num;
    } else {
        odd = odd * num;
    }
}

if (even === odd) {
    print(`yes ${even}`)
} else { print(`no ${odd} ${even}`) }