n = int(input())

l = [0]
for _ in range(n):
    g, d = map(int, input().split())
    x = g -30000 * d
    if x * 6 < 3000000:
        l.append(0)
    else:
        l.append(1)

if 1 in l:
    print('YES')
    print('\n'.join(str(l.index(1)) * 6))
else:
    print('NO')