#include <stdint.h>
#include <inttypes.h>
#include "cprintf.h"

#ifdef GLOBAL
GLOBAL_SUM = 0;
#endif

void
do_work(int32_t x)
{
  int32_t i;
  
#ifdef NOP_K
  for (i=0; i<LOOP; i++)
    asm ("nop");
#endif

#ifdef CONSTANT_K
  int32_t y = 8;
  for (i=0; i<LOOP; i++)
    cprintf("%"PRId32"\n", y);
#endif

#ifdef IDENTITY_K
  for (i=0; i<LOOP; i++)
    cprintf("%"PRId32"\n", x);
#endif

#ifdef SUM_K
  int32_t sum = 0;
  for (i=0; i<LOOP; i++)
    sum += x;
  cprintf("%"PRId32"\n", sum);
#endif

#ifdef GLOBAL_K
  for (i=0; i<LOOP; i++)
    GLOBAL_SUM += x;
  cprintf("%"PRId32"\n", GLOBAL_SUM);
#endif
}

int
main()
{
  int32_t x;
  
  while (1) {
    cscanf("%"PRId32, &x);
    if (x < 0) break;
    
    do_work(x);
  }
  return 0;
}