var x = 2;
var y = 5;
var z = 3;
var a = new Array(6, 5, 4, 9, 3, 7);
var v = y * a[y] + z * a[z] - y * x * z + a[y] * a[x] * a[3];
a.reverse;
v = v + a[z] + a[y] + 11 * a[1] + a[0] - 1;
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