process.stdin.resume();
process.stdin.setEncoding('ascii');

var input_stdin = "";
var input_stdin_array = "";
var input_currentline = 0;

process.stdin.on('data', function (data) {
    input_stdin += data;
});

process.stdin.on('end', function () {
    input_stdin_array = input_stdin.split("\n");
    main();    
});

function readLine() {
    return input_stdin_array[input_currentline++];
}

/////////////// ignore above this line ////////////////////

function canConstruct(a) {
    const array = a.join('').split('').map(Number);
    let result = 0;
    for (let i=0; i<array.length; i++) {
        result += array[i];
    }
    
    return result % 3 === 0 ? 'Yes': 'No';
    // Return "Yes" or "No" denoting whether you can construct the required number.
}

function main() {
    var t = parseInt(readLine());
    for(var a0 = 0; a0 < t; a0++){
        var n = parseInt(readLine());
        a = readLine().split(' ');
        a = a.map(Number);
        var result = canConstruct(a);
        process.stdout.write("" + result + "\n");
    }

}