zad1

from random import randrange
N = int(input())
A = int(input())
B = int(input())

a = [randrange(A,B+1) for i in range(N)]
print('Source list:')
print(a)
fn = None
ln = None
for i in range(N):
    if a[i] < 0:
        if fn is None:
            fn = i
        ln = i

if ln and fn and fn < ln:
    res = a[fn+1:ln]
    print('First negative:',a[fn])
    print('Last negative:',a[ln])
    print('Result:')
    print(res)
else:
    print('Отрицательных меньше двух')