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}`)

       }

   }