#include <stdio.h>
int main()
{
    int arr[100], src, i, n;
    printf("Enter size of list:\n");
    scanf("%d", &n);
    printf("Enter IDs\n");
    for (i = 0; i < n; i++)
    {
        scanf("%d", &arr[i]);
    }
    printf("Enter ID to search\n");
    scanf("%d", &src);
    for (i = 0; i < n; i++)
    {
        if (src == arr[i])
        {
            printf("%d ID found at number %d in the list\n", src, i+1);
            break;
        }
    }
    if(i==n)
    {
        printf("Not found.\n");
    }
    return 0;
}