P.S. You may output either YES
/NO
or TAL
/NIE
in this task.
QOJ.ac
QOJ
Time Limit:
2 s
Memory Limit:
512 MB
Total points:
100
# 8104. Keyboard / Klawiatura
统计
此題目在以下比賽中使用過:
P.S. You may output either YES
/NO
or TAL
/NIE
in this task.