#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

var ciz = "RSPX".ToList();
var shifts = new[]{ 13, -17, 5 };
var t = new uint[100];
{
    var str = I<string>();
    for (var i = 0; i < 100; i++) t[i] = (uint)ciz.FindIndex(e => e == str[i]);
}
var n = I<int>();

var s = new uint[32];
var l = new uint[200];
var r = new uint[200];
for (var i = 0; i < 32; i++) s[i] = 1U << i;
for (var ti = 0; ti < 100; ti++)
{
    foreach (var shift in shifts)
    {
        var ns = s.AsSpan().ToArray();
        for (var i = 0; i < 32; i++)
        {
            var j = i + shift;
            if (0 <= j && j < 32) ns[j] ^= s[i];
        }
        s = ns;
    }
    var h = t[ti];
    l[ti * 2] = s[0];
    r[ti * 2] = h & 1;
    l[ti * 2 + 1] = s[1];
    r[ti * 2 + 1] = (h >> 1) & 1;
}
var used = new bool[200];
for (var i = 0; i < 32; i++)
{
    var f = -1;
    for (var j = 0; j < 200; j++)
    {
        var v = l[j];
        if (used[j] || (v & (1U << i)) == 0) continue;
        f = j;
        used[f] = true;
        break;
    }
    for (var j = 0; j < 200; j++) if (j != f)
    {
        var v = l[j];
        if ((v & (1U << i)) == 0) continue;
        l[j] ^= l[f];
        r[j] ^= r[f];
    }
}
var state = 0U;
for (var i = 0; i < 200; i++)
{
    if (r[i] == 0) continue;
    var f = -1;
    for (var j = 0; j < 32; j++)
    {
        if ((l[i] & (1U << j)) == 0) continue;
        if (f >= 0) throw new Exception();
        f = j;
    }
    if (f < 0) throw new Exception();
    state ^= 1U << f;
}
var ans = new char[n];
for (var i = 0; i < n; i++)
{
    state ^= state << 13;
    state ^= state >> 17;
    state ^= state << 5;
    var j = (state + 3) & 3;
    ans[i] = ciz[(int)j];
}
Console.WriteLine(new string(ans));