# list does not have to be sorted
def seq_search(list, target):
    ans = -1
    i = 0
    for cur in list:
        if cur == target:
            ans = i
            break
        i = i + 1
    return ans


def main():
    while True:
        list = raw_input("Enter a list (or q to quit): ")
        if list == 'q':  break
        list = eval(list)
        while True:
            key = raw_input(" Search key (or q to get next list): ")
            if key == 'q': break
            key = eval(key)
            print " result is: ", seq_search(list, key)
    print 'Program quits.'


main()