nhóm gửi code

n=int(input())
m=int(input())
if n>m:
if (n-m)%2==0:
print('Ly A sang ly B',(n-m)//2,'ml')
else:
print('Ly A sang ly B',(n-m)/2,'ml')
if m>n:
if (m-n)%2==0:
print('Ly B sang ly A',(m-n)//2,'ml')
else:
print('Ly B sang ly A',(m-n)/2,'ml')
if n==m:
print(0)

a=int(input())
b=int(input())
if (b-a)%2==0:
print((b-a)//2+1)
else:
print((b-a)//2+2)

a=int(input())
tong=0
for i in range(1,a+1):
if a%i==0:
tong+=i
if tong==2*a:
print('YES')
else:
print('NO')

n=int(input())
t=0
for i in range(1,n//2+1):
if n%i==0:
t+=i
if t==n:
print('YES')
else:
print('NO')