Program to write even and odd integers into different files

#include "stdio.h"
#include "math.h"
void main()
{
FILE *all,*even,*odd;
int number,i,records;
printf("INPUT THE TOTAL NUMBER OF RECORDS THAT U WANT TO ENTER");
scanf("%d",& records);
all=fopen("ANYNUMBER","w");
for(i=1;i<=records;i++)
{
scanf("%d",&number);
if(number==-1)break;
putw(number,all);
}
fclose(all);
all=fopen("ANYNUMBER","r");
even=fopen("EVENNUMBER","w");
odd=fopen("ODDNUMBER","w");
while((number=getw(all))!=EOF)
{
if(number%2==0)
putw(number,even);
else
putw(number,odd);
}
fclose(all);
fclose(even);
fclose(odd);


even=fopen("EVENNUMBER","r");
odd=fopen("ODDNUMBER","r");
printf(" THE EVEN NUMBERS ARE");
while((number=getw(even))!=EOF)
printf(" %4d",number);
printf(" THE ODD NUMBERS ARE");
while((number=getw(odd))!=EOF)
printf(" %4d",number);

fclose(even);
fclose(odd);
}