const getGets = (arr) => {
  let index = 0;

  return () => {
    const toReturn = arr[index];
    index += 1;
    return toReturn;
  };
};

// This is the place where you must place your test data
const test = [
  '5 2 1 1 6 3'
];

const gets = this.gets || getGets(test);
const print = this.print || console.log;

let n = gets();
let sumEven = 0;
let sumOdd = 0;
let split_Test = n.split(' ');

for (i = 1; i <= split_Test.length; i++) {
if (i % 2 === 0) {
let number = split_Test[i];
sumEven = sumEven + number;
}
if (i % 2 === 1) {
let number = split_Test[i];
sumOdd = sumOdd + number;
}
}
if (sumEven === sumOdd) {
print(`yes ${sumOdd}`);
}
if (sumEven != sumOdd) {
print(`no ${sumOdd} ${sumEven}`)
}