#include<stdio.h>
#include<civlc.cvh>

$input int K;

int main(){
  int a = 1, b = 2, c = 3;
  
  fprintf(stdout, "a is %d\n", a);
  fprintf(stdout, "b is %d\n", b);
  if(K == 0)
    $exit();
  fprintf(stderr, "c is %d\n", c);
  return 0;
}