编写一个执行一下计算的子程序：COMPUTE：R<-X+Y-3,其中X,Y以及R均为数字组。假设COMPUTE与其调用的程序在同一段代码，数据段D_SEG中包括含X和Y数组，数据段E_SEG中包含R数组，同时写出主程序调用COMPUTE过程的部分。-Write a subroutine perform calculations about: COMPUTE: R < -X+ Y-3, where X, Y and R are digital group. Assuming COMPUTE with the procedure call in the same piece of code, data section D_SEG includes an array containing the X and Y, the data segment E_SEG array contains R, and write the main part of the process called COMPUTE.