#include <stdio.h>
void wwjt();
double sum(int n)
{
/**********Program**********/
/********** End **********/
}
main()
{
int n;
scanf("%d",&n);
printf("sum=%f\n",sum(n));
wwjt();
}
void wwjt()
{
FILE *IN,*OUT;
int n;
int i[10];
double o;
IN=fopen("in.dat","r");
if(IN==NULL)
{
printf("Read FILE Error");
}
OUT=fopen("out.dat","w");
if(OUT==NULL)
{
printf("Write FILE Error");
}
for(n=0;n<5;n++)
fscanf(IN,"%d",&i[n]);
for(n=0;n<5;n++)
{
o = sum(i[n]);
fprintf(OUT,"%f\n",o);
}
fclose(IN);
fclose(OUT);
}