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

int main()
{
    FILE *i;
    FILE *o;
    i=fopen("cifra.in","r");
    o=fopen("cifra.out","w");
  int cirfa(int litera int val)
  {   
      int suma;
      if(litera=fgetc(i))!=EOF)
      return(suma);
      else
  system("PAUSE");	
  return 0;
}