/// Write your code into this function
function Twins(a, b) {
    var results = [];

    results = a.map(function (aw, ai) {
        if (!b[ai] || b[ai].length !== aw.length) {
            return "No";
        }

        var amap = evenOddDict(aw);
        var bw = b[ai].split('');

        for (var bi = 0; bi < b.length; bi++) {
            var p = (bi === 0 || bi % 2 === 0) ? 'e' : 'o';
            if (!amap[p][bw[bi]] || amap[p][bw[bi]] < 1) {
                return "No";
            }
        }

        return "Yes";

    });

    return results;
}

function evenOddDict(str) {
    var strArray = str.split('');
    var map = { e: {}, o: {} };
    strArray.forEach(function (c, i) {
        var p = (i === 0 || i % 2 === 0) ? 'e' : 'o';
        if (!map[p][c]) {
            map[p][c] = 1;
        } else {
            map[p][c]++;
        }
    });

    return map;
}