input_list = list(map(int,input().split()))
a, b = input_list

res_list = []
count = 0
divided = 0
r = 0

while True:
    if count == 0:
        divided = a
    else:
        divided = r * 10
    
    res_list.append(divided // b)
    r = divided % b
    count += 1
    
    if count == 51:
        break
        
res_list_str = [str(e) for e in res_list]
res_list_str.insert(1, '.')
res = ''.join(res_list_str)
print(res)