#include <stdio.h>

int main(int argc, char *argv[]) {
  short R0, R1, R2, R3, R4, R5 ;

  fputs("Enter value for R4\n", stdout) ;
  fscanf(stdin, "%hd", &R4) ;
  fputs("Enter value for R5\n", stdout) ;
  fscanf(stdin, "%hd", &R5) ;

  R0 = R4 * 17 + 5 ;
  R1 = (R4 &&  R5) - 3 ;
  R2 = ~R4 + ~R5 ;
  R3 = (R4 & R5) - 3 ;

  fprintf(stdout, "R0 = %6d = 0x%04x\n", R0, 0xffff & R0) ;
  fprintf(stdout, "R1 = %6d = 0x%04x\n", R1, 0xffff & R1) ;
  fprintf(stdout, "R2 = %6d = 0x%04x\n", R2, 0xffff & R2) ;
  fprintf(stdout, "R3 = %6d = 0x%04x\n", R3, 0xffff & R3) ;
  fprintf(stdout, "R4 = %6d = 0x%04x\n", R4, 0xffff & R4) ;
  fprintf(stdout, "R5 = %6d = 0x%04x\n", R5, 0xffff & R5) ;
}