var x = 6;
var sequence = [1, -8, 4, 5, 2, -7];
var min = 0;
var max = 0;
var min2 = 0;
var max2 = 0;


for (i = 0; i < sequence.length; i++){
    if (sequence[i] < min) {
        min = sequence [i];
        }
    if (sequence[i] > max) {
        max = sequence [i];
        } 
    }
        
    
for (i = 0; i < sequence.length; i++){    
    if (sequence[i] < min2 && sequence[i] != min) {
        min2 = sequence [i];
        }
    if (sequence[i] > max2 && sequence[i] != max) {
        max2 = sequence [i];
        }
    }
   

var sumMax = Math.abs(max + max2);
var sumMin = Math.abs(min + min2);
if (sumMax > sumMin) {
    console.log (max, max2)
    }
else{
    console.log (min, min2);
    }