// Om Namah Shivaya
// GM in 119 days
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define endl '\n'
#define pb push_back
#define conts continue
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
#define ff first
#define ss second
#define ceil2(x,y) ((x+y-1) / (y))
#define sz(a) a.size()
#define setbits(x) __builtin_popcountll(x)
#ifndef ONLINE_JUDGE
#define debug(x) cout << #x <<" = "; print(x); cout << endl
#else
#define debug(x)
#endif
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
bool iseven(ll n) {if ((n & 1) == 0) return true; return false;}
void print(ll t) {cout << t;}
void print(int t) {cout << t;}
void print(string t) {cout << t;}
void print(char t) {cout << t;}
void print(double t) {cout << t;}
void print(ld t) {cout << t;}
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(pair <T, V> p) {cout << "{"; print(p.ff); cout << ","; print(p.ss); cout << "}";}
template <class T> void print(vector <T> v) {cout << "[ "; for (T i : v) {print(i); cout << " ";} cout << "]";}
template <class T> void print(set <T> v) {cout << "[ "; for (T i : v) {print(i); cout << " ";} cout << "]";}
template <class T> void print(multiset <T> v) {cout << "[ "; for (T i : v) {print(i); cout << " ";} cout << "]";}
template <class T, class V> void print(map <T, V> v) {cout << "[ "; for (auto i : v) {print(i); cout << " ";} cout << "]";}
template<typename T> void amin(T &a, T b) { a = min(a, b); }
template<typename T> void amax(T &a, T b) { a = max(a, b); }
void usaco(string filename) {
freopen((filename + ".in").c_str(), "r", stdin);
freopen((filename + ".out").c_str(), "w", stdout);
}
const int MOD = 1e9 + 7;
const int maxn = 1e5 + 5;
const int inf1 = 1e9 + 5;
const ll inf2 = ll(1e18) + 5;
void solve(int test_case)
{
int n, m; cin >> n >> m;
string s; cin >> s;
int dp[n][2][3][3][3][3];
memset(dp, 0, sizeof dp);
dp[n - 1][0][1][0][1][0] = 1;
dp[n - 1][1][0][1][0][1] = 1;
rev(i, n - 1, 1) {
rep(j, 2) {
rep(mxprel, 3) {
rep(mxprep, 3) {
rep(mxl, 3) {
rep(mxp, 3) {
ll val = dp[i][j][mxprel][mxprep][mxl][mxp];
// place l
if (mxprel + 1 <= 2) {
dp[i - 1][0][mxprel + 1][max(mxprep - 1, 0)][max(mxl, mxprel + 1)][mxp] += val;
if (dp[i - 1][0][mxprel + 1][max(mxprep - 1, 0)][max(mxl, mxprel + 1)][mxp] >= m) {
dp[i - 1][0][mxprel + 1][max(mxprep - 1, 0)][max(mxl, mxprel + 1)][mxp] -= m;
}
}
// place p
if (mxprep + 1 <= 2) {
dp[i - 1][1][max(mxprel - 1, 0)][mxprep + 1][mxl][max(mxp, mxprep + 1)] += val;
if (dp[i - 1][1][max(mxprel - 1, 0)][mxprep + 1][mxl][max(mxp, mxprep + 1)] >= m) {
dp[i - 1][1][max(mxprel - 1, 0)][mxprep + 1][mxl][max(mxp, mxprep + 1)] -= m;
}
}
}
}
}
}
}
}
int ans = 0;
int l = 0, p = 0;
rep(i, n) {
// becomes lesser at position i
if (s[i] == 'P') {
rep(mxprel, 3) {
rep(mxprep, 3) {
rep(mxl, 3) {
rep(mxp, 3) {
if (mxprel + l > 2) conts;
if (mxprep + p > 2) conts;
ans += dp[i][0][mxprel][mxprep][mxl][mxp];
if (ans >= m) ans -= m;
}
}
}
}
}
if (s[i] == 'L') {
l++;
p = max(p - 1, 0);
}
else {
p++;
l = max(l - 1, 0);
}
}
ans++;
if (ans >= m) ans -= m;
cout << ans << endl;
}
int main()
{
fastio;
int t = 1;
// cin >> t;
rep1(i, t) {
solve(i);
}
return 0;
}
