def search(arr, N, x):

    for i in range(0, N):
        if (arr[i] == x):
            return i
    return -1


if __name__ == "__main__":
    arr = list(map(int,input("enter the array elements: ").split()))
    x = int(input("enter the number to search: "))
    N = len(arr)

    result = search(arr, N, x)
    if(result == -1):
        print("Element is not present in array")
    else:
        print("Element is present at index", result)