#include <stdio.h>
#include <stdlib.h>

#define ORIGINYEAR 1980

int main(int argc, char **argv){
 long year, days;
 if(argc < 2){
  printf("Usage: %s days\n", argv[0]);
  return 1;
 }
 days = strtol(argv[1], NULL, 0);
 year = ORIGINYEAR + (unsigned long long)days * 10000 / 3652425;
 days -= ((unsigned long long)year - ORIGINYEAR) * 3652425 / 10000;
 printf("year: %d\ndays: %d\n", year, days);
 return 0;
}