func_code_string: #include <bits/stdc++.h>   using namespace std;   bool f[110][110][2][60];   int main() {     string str;     cin >> str;     int n = str.size();     int m;     cin >> m;     memset(f, 0, sizeof(f));     f[0][0][1][0] = 1;     for (int i = 0; i < n; i++) {       char ch = str[i];       for (int dist = 0; dist <= n; dist++)         for (int dir = 0; dir <= 1; dir++)           for (int opr = 0; opr <= m; opr++)             if (f[i][dist][dir][opr])               if (ch ==  F ) {                 int delta = dir ? 1 : -1;                 if (dist == 0)                   f[i + 1][1][1][opr] = 1;                 else                   f[i + 1][dist + delta][dir][opr] = 1;                 f[i + 1][dist][1 - dir][opr + 1] = 1;               } else {                 f[i + 1][dist][1 - dir][opr] = 1;                 int delta = dir ? 1 : -1;                 if (dist == 0)                   f[i + 1][1][1][opr + 1] = 1;                 else                   f[i + 1][dist + delta][dir][opr + 1] = 1;               }     }     int ans = 0;     for (int dist = 0; dist <= n; dist++)       for (int dir = 0; dir <= 1; dir++)         for (int opr = m; opr >= 0; opr -= 2)           if (f[n][dist][dir][opr]) ans = ((ans) > (dist) ? (ans) : (dist));     cout << ans << endl;   }   