function processData(input) {
    var lines = input.split('\n');
    for (var i=2; i<lines.length; i+=2) {
        var arr = lines[i].split(' ').map(function(x) { return parseInt(x); });

        if (arr.length > 1) {
            var sum = 0;

            // First, get the sum of the entire array.
            for (var j=0; j<arr.length; j++) {
                sum += arr[j];
            }

            // Now step through using each value as a test index for left and right sums.
            // We can add and subtract at each step to change the left and right sums accordingly.
            var sumLeft = 0;
            var sumRight = 0;
            for (var j=1; j<arr.length - 1; j++) {
                sumLeft += arr[j-1];
                sumRight = sum - sumLeft - arr[j];

                if (sumLeft === sumRight) {
                    break;
                }
            }

            if (j < arr.length - 1) {
                console.log('YES');
            }
            else {
                console.log('NO');
            }
        }
        else {
            // Sum considered to be 0 for a single element array.
            console.log('YES');
        }
    }
}

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});