Need help with IF ELSE trigger for Nrf24L01+ Arduino Motor Shield

Transmitter code to see how i am getting and mapping the values.

#include <Mirf.h>
#include <MirfHardwareSpiDriver.h>
#include <MirfSpiDriver.h>
#include <nRF24L01.h>
#include <SPI.h>
//**************Start Pin Setup***************
int LS_U_D = 3;  // analog pin used for the pot Left U/D
//int LS_L_R = 2;  // analog pin used for the pot Left L/R
//int RS_U_D = 5;  // analog pin used for the pot Right U/D
int RS_L_R = 4;  // analog pin used for the pot Right L/R
//**************End Pin Setup***************
//**************Global vars Setup***************
int LS_U_Dval;
//int LS_L_Rval;    
//int RS_U_Dval;
int RS_L_Rval;    
//**************END vars Setup***************
void setup(){
  Serial.begin(57600); // start serial communications
  //**************Start Transiever (NRF24L01) config**************
  Mirf.cePin = 9;
  Mirf.csnPin = 10;
  Mirf.spi = &MirfHardwareSpi;
  Mirf.init();
  Mirf.setRADDR((byte *)"clie1");
  Mirf.payload = 4 * sizeof(byte);
  Mirf.config();
  //**************End Transiever (NRF24L01) config**************
  Serial.println("Beginning ... "); // Print some stuff to serial
}
void loop(){
  //****************************Read Sticks**********************
  LS_U_Dval = analogRead(LS_U_D); // set val to read analog pin 2		
  //  LS_L_Rval = analogRead(LS_L_R);// set val to read analog pin 3		
  //  RS_U_Dval = analogRead(RS_U_D); // set val to read analog pin 4		
  RS_L_Rval = analogRead(RS_L_R);// set val to read analog pin 5		
  //*****************************End Read Sticks*******************
  //**************convert pot to PWM values**************
  LS_U_Dval = map(LS_U_Dval, 0, 1023, 0, 254);
  //     LS_L_Rval = map(LS_L_Rval, 0, 1023, 0, 254);    
  //     RS_U_Dval = map(RS_U_Dval, 0, 1023, 0, 254);
  RS_L_Rval = map(RS_L_Rval, 0, 1023, 0, 254);
  Serial.println(LS_U_Dval);
  //**************convert pot to PWM values**************
  //**************put values in array?**************
  byte vals[2];
  //**********Send only 2 pots from sticks for now**********
  vals[0] =LS_U_Dval;
  vals[1] =RS_L_Rval;  
  //**********Send only 2 pots from sticks for now**********
  //  vals[0] =LS_L_Rval;
  //  vals[1] =LS_U_Dval;  
  //  vals[2] =RS_L_Rval;  
  //  vals[3] =RS_U_Dval;
  //**************finish puting values in array?************** 
  //**************Start Transmit package**************
  Mirf.setTADDR((byte *)"reci1"); // set name of Reciever
  Mirf.send(vals); // data to send
  //**************Start For loop to print array to local serial**************
  /*
  int i;
   for (i = 0; i < 4; i = i + 1)
   {
   Serial.println(vals[i], DEC);
   }
   // */
  //**************End For loop to print array to local serial**************
  while(Mirf.isSending()){
  }
  delay(10);
}