Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: solomon

Problemset: ตรวจบัตรเครดิต

Language: python

Time: 0.014 second

Submitted On: 2026-10-24 10:54:27

s = input().strip()

R = 0
for i, c in enumerate(reversed(s[:15])):
    d = int(c) * (2 if i % 2 == 0 else 1)
    R += d // 10 + d % 10

print("yes" if (10 - R % 10) % 10 == int(s[15]) else "no")