x = int(input("Nhap x="))
y = int(input("Nhap y="))

tong = x + y
hieu = x - y
tich = x * y
thuong = x / y

print("Tong x+y=", tong)
print("Hieu x-y=", hieu)
print("Tich x*y=", tich)
print("Thuong x/y=", thuong)

Ngôn ngữ gì bạn? Python hay gì?