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nhicutethcs
2 năm trước
Cho số nguyên dương N gồm 4 chữ số. Em hãy kiểm tra tổng 2 chữ số đầu của N và 2 chữ số cuối của N có bằng nhau không? INPUT - Một số nguyên dương N gồm 4 chữ số duy nhất OUTPUT - Đưa ra thông báo "YES" nếu tổng 2 chữ số đầu của N và 2 chữ số cuối của N có bằng nhau, trong trường hợp ngược lại thì đưa ra thông báo "NO"
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