Song ca

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 7

Mua kẹo

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 7

Khám phá vũ trụ

Nộp bài

Time limit: 1.0 / Memory limit: 256M

Point: 6