#include<stdio.h>
#include<string.h>
int main(){
    FILE *fp;
    int i=0;
    fp = fopen ("BD", "r");
    if (fp == NULL) {
        fp = fopen ("BD", "w");
        fprintf(fp, "%d",i);
    }

    fscanf(fp,"%d",&i);
    i++;
    fclose(fp);
    fp= fopen("BD", "w");
    fprintf(fp,"%d",i);
    printf("%d",i);
    //while()
    fclose (fp);
    char c[20];
    itoa(i,c,10);
    fp=fopen(c,"w");
    char tecla;
    char texto[300];
    while(tecla!=27){
        fgets(texto,300,stdin);
        puts(texto);
        fprintf(fp,"%s",texto);
        scanf("%c",tecla);
    }
    fclose (fp);

    return 0;
 }