Chickens and Rabbits

https://acs.jxnu.edu.cn/problem/NOIOPJENGLISH10

1000ms 65536K

描述：

In the yard were C chickens and R rabbits. Each chicken has one head and two legs. Each rabbit has one head and four legs. There are total 27 heads and 86 legs in the yard. Calculate C and R.

在院子里有c只鸡和r只兔子，每只鸡有一个头和两条腿，每只兔子有一个头和四条腿，在院子里一共有27个头和86条腿，计算c和r

输入：

N/A

输出：

Two integers C and R.

两个正整数c和r

样例输入：

N/A

样例输出：

not provided