function equalPairs(params){
let numberOfPairs = Number(params.shift());
let number1 = 0;
let number2 = 0;
let maxDifference = 0;
let sumPair1 = 0;
let sumPair2 = 0;
let diff = 0;


for(let i = 1; i <= numberOfPairs; i++){
    number1 = Number(params.shift());
    number2 = Number(params.shift());
    if(i < 2){
        sumPair1 = number1 + number2;

    } else {
        sumPair2 = number1 + number2;
        diff = Math.abs(sumPair2 - sumPair1);
        if(diff > maxDifference){
            maxDifference = diff;
        }
        sumPair1 = sumPair2;
    }
}

    if (maxDifference > 0){
        console.log(`No, maxdiff=${maxDifference}`)
    } else {
        console.log(`Yes, value=${sumPair1}`)
    }
}