text: #include <stdio.h>
  #include <stdlib.h>
  
  int main(int argc, char const *argv[]) {
      int type = 1,year;
  
      scanf("%d",&year);
  
      if( (year % 4 == 0 && year % 100 != 0) || year % 400 == 0  )type = 0;
      switch (type){
      case 0:
          printf("days of the FEB.: 29\n");
          break;
      case 1:
          printf("days of the FEB.: 28\n");
          break;
      }
      return EXIT_SUCCESS;
  }