#include<stdio.h>                 

int main(void) {                
                                  
  FILE *fp;                     
  int i;                        
                                  
  fp = fopen("myfile.txt","r+"); 
                                  
  fscanf (fp, "%d", &i);         

  fprintf(fp, "%d", i+1);         
                                  
  fclose(fp);                   
                                  
  printf("%d albatros?\n", i);  
                                  
  return 0;                
}