#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#include "bits/stdc++.h"
#define REP(i,a,b) for(i=a;i<b;++i)
#define rep(i,n) REP(i,0,n)
#define ll long long
#define ull unsigned ll
typedef long double ld;
#define ALL(a) (a).begin(),(a).end()
#define ifnot(a) if(not a)
#define dump(x)  cerr << #x << " = " << (x) << endl
using namespace std;

void reader(int &a) { scanf("%d", &a); }
void reader(double &a) { scanf("%lf", &a); }
void reader(char a[]) { scanf("%s", a); }
void reader(char &a) { scanf(" %c", &a); }
void reader(ll &a) { scanf("%lld", &a); }
void reader(ull &a) { scanf("%llu", &a); }
// void reader(string& a){cin >> a;};
template<class T, class U> void reader(T& t, U& u) { reader(t); reader(u); }
template<class T, class U, class V> void reader(T& t, U& u, V& v) { reader(t); reader(u); reader(v); }

void writer(const int a, char c) { printf("%d", a); putchar(c); }
void writer(const ll a, char c) { printf("%lld", a); putchar(c); }
void writer(const ull a, char c) { printf("%llu", a); putchar(c); }
void writer(const double a, char c) { printf("%.20lf", a); putchar(c); }
void writer(const char a[]) { printf("%s", a); };
void writer(const char a[], char c) { printf("%s", a); putchar(c); };
void writer(const char a, char c) { putchar(a); putchar(c); };
template<class T> void writerLn(T t) { writer(t, '\n'); }
template<class T, class U> void writerLn(T t, U u) { writer(t, ' '); writer(u, '\n'); }
template<class T, class U, class V> void writerLn(T t, U u, V v) { writer(t, ' '); writer(u, ' '); writer(v, '\n'); }
template<class T> void writerArr(T x[], int n) { int i; if (!n) { putchar('\n'); return; }rep(i, n - 1) writer(x[i], ' '); writer(x[n - 1], '\n'); }
template<class T> void writerVec(vector<T> x) { int n = x.size(); int i; if (!n) { putchar('\n'); return; }rep(i, n - 1) writer(x[i], ' '); writer(x[n - 1], '\n'); }

vector<string> split(const string &str, char sep) { vector<string> v; stringstream ss(str); string buffer; while (getline(ss, buffer, sep)) { v.push_back(buffer); }return v; }
// #define int ll
bool test = 0;
int dx[] = { 0,1,0,-1 };
int dy[] = { 1,0,-1,0 };
#define INF (1 << 28)
ull mod = (int)1e9 + 7;
//.....................
#define MAX 22

int N, Q;

int W, H;

signed main(void)
{
	int i, j, k, l;
	int n;
	int loop;
	cin >> n;
	rep(loop, n) {
		string op;
		string input;
		cin >> op;
		cin >> input;
		int N = input.size();
		for (i = op.size() - 1; i > -1; --i) {
			if (op[i] == 'J') {
				char buf = input[N-1];
				for (j = N - 1; j > 0; --j) {
					input[j] = input[j - 1];
				}
				input[0] = buf;
			}
			if (op[i] == 'C') {
				char buf = input[0];
				rep(j, N-1) {
					input[j] = input[j + 1];
				}
				input[N - 1] = buf;
			}
			
			if (op[i] == 'E') {
				string buf = input.substr(N / 2 + N % 2);
				if (N % 2) {
					buf += input[N / 2];
				}
				buf += input.substr(0, N / 2);
				input = buf;
			}
			if (op[i] == 'A') {
				reverse(ALL(input));
			}
			if(op[i] == 'P') {
				rep(j, N) {
					if (isdigit(input[j])) {
						if (input[j] != '0') input[j] -= 1;
						else input[j] = '9';
					}
				}
			}
			if (op[i] == 'M') {
				rep(j, N) {
					if (isdigit(input[j])) {
						if (input[j] != '9') input[j] += 1;
						else input[j] = '0';
					}
				}
			}
			
 
		}
		cout << input << endl;
	}
	return 0;
}

Measured memory_bytes: 1212