#include<stdio.h>
#include<conio.h>

void main()
{
    FILE *f1;
    char c;
    clrscr();

    printf("Data Input\n\n");
    f1 = fopen("INPUT","w");

    while((c=getchar()) != EOF)
        putc(c,f1);

    fclose(f1);

    printf("\nData Output\n\n");
    f1 = fopen("INPUT","r");

    while((c=getc(f1)) != EOF)
        printf("%c",c);
    fclose(f1);
    getch();
}