Input using fscanf

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

int main()
{
    int n, i, number;
    char subject[30];
    FILE *fp;

    if((fp = fopen("input.txt", "r")) == NULL)
    {
        printf("Error opening file.\n");
        exit(1);
    }

    fscanf(fp, "%d", &n);

    for(i = 0; i < n; i++)
    {
        fscanf(fp, "%s", subject);
        fscanf(fp, "%d", &number);

        printf("%s %d\n", subject, number);
    }

    fclose(fp);

    return 0;

}