/*Sam Panzer

*Great Neck North High School

*ACSL Contest 3 (String Manipulation)

*Intermediate 3 Division

*/

public class ACSLStringSam

{

public static final boolean LEFT = true, RIGHT = false;

public static void main(String [] args)

{

EasyReader io = new EasyReader();

for(int x = 0; x < 5; x++)

{

try

{

System.out.print("\nInput:");

String [] com = io.readLine().split("/");

String str = com[com.length - 1];

for(int y = 0; y < com.length - 1; y++)

{

if(com[y].indexOf("LS-") != -1)

str = lshift(str,Integer.parseInt(com[y].substring(3)));

else if(com[y].indexOf("RS-") != -1)

str = rshift(str,Integer.parseInt(com[y].substring(3)));

else if(com[y].indexOf("LC-") != -1)

str = lcirc(str,Integer.parseInt(com[y].substring(3)));

else if(com[y].indexOf("RC-") != -1)

str = rcirc(str,Integer.parseInt(com[y].substring(3)));

else if(com[y].indexOf("MC-") != -1)

str = mcirc(str,pt(com[y].charAt(3)),pt(com[y].charAt(4)),pt(com[y].charAt(5)),com[y].charAt(6) == 'L');

else if(com[y].indexOf("REV-") != -1)

str = rev(str,pt(com[y].charAt(4)),pt(com[y].charAt(5)));

else

System.err.println("Error: The command was not recognized");

}

System.out.println(str);

}catch(Exception e) {System.out.println("A problem occurred.");}

//I don't want the program to stop in the slight case of error.

}

}

//convenience method for Integer.parseInt(String);

public static int pt(char c)

{

return Integer.parseInt(c + "");

}

//note: all string indexes (i.e. the S/L/X) MUST start at 1, because

//that is how the ACSL asked for it.

//executes RS-X

public static String rshift(String s, int i)

{

String fin = s.substring(0,s.length() -i);

for(int x = 0; x < i; x++)

fin = '#' + fin;

return fin;

}

//executes LS-X

public static String lshift(String s, int i)

{

String fin = s.substring(i);

for(int x = 0; x < i; x++)

fin += '#';

return fin;

}

//executes RC-X

public static String rcirc(String s, int i)

{

return s.substring(s.length() - i) + s.substring(0,s.length() - i);

}

//executes LC-X

public static String lcirc(String s, int i)

{

return s.substring(i) + s.substring(0,i);

}

//executes MC-SLXD

public static String mcirc(String s, int st, int l, int x, boolean d)

{

if(d == RIGHT)

return s.substring(0,st - 1) + rcirc(s.substring(st - 1, st + l - 1),x) + s.substring(st + l - 1);

return s.substring(0,st - 1) + lcirc(s.substring(st - 1, st + l - 1),x) + s.substring(st + l - 1);

}

//executes REV-SL

public static String rev(String s, int st, int l)

{

return s.substring(0,st - 1) + (new StringBuffer(s.substring(st - 1, st + l - 1))).reverse() + s.substring(st + l - 1);

}