func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char s[1100000];     scanf( %s , s);     int l = strlen(s);     int ans = 0;     int m = 0;     int p = 0;     while (s[p] ==  F ) p++;     for (int i = p; i < l; i++) {       if (s[i] ==  M ) {         m++;       }       if (s[i] ==  F ) {         ans = max(ans + 1, m);       }     }     cout << ans << endl;     return 0;   }   