func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e5 + 5;   int read() {     int s = 0;     char c = getchar(), lc =  + ;     while (c <  0  ||  9  < c) lc = c, c = getchar();     while ( 0  <= c && c <=  9 ) s = s * 10 + c -  0 , c = getchar();     return lc ==  -  ? -s : s;   }   void write(int x) {     if (x < 0) {       putchar( - );       x = -x;     }     if (x < 10)       putchar(x +  0 );     else {       write(x / 10);       putchar(x % 10 +  0 );     }   }   void print(int x, char c =   n ) {     write(x);     putchar(c);   }   void L(int x) {     putchar( L );     putchar(   );     print(x);   }   void R(int x) {     putchar( R );     putchar(   );     print(x);   }   char a[N];   signed main() {     scanf( %s , a + 1);     int n = strlen(a + 1);     print(4);     L(2);     L(2);     R(2);     R(n + 2 + n - 1);     return 0;   }   