题目内容：

无线电台的RS制信号报告是由三两个部分组成的：

R(Readability) 信号可辨度即清晰度.

S(Strength)    信号强度即大小.

其中R位于报告第一位，共分5级，用1—5数字表示.

Unreadable

Barely readable, occasional words distinguishable

Readable with considerable difficulty

Readable with practically no difficulty

Perfectly readable

报告第二位是S，共分九个级别，用1—9中的一位数字表示

Faint signals, barely perceptible

Very weak signals

Weak signals

Fair signals

Fairly good signals

Good signals

Moderately strong signals

Strong signals

Extremely strong signals

现在，你的程序要读入一个信号报告的数字，然后输出对应的含义。如读到59，则输出：

Extremely strong signals, perfectly readable.

输入格式:

一个整数，信号报告。整数的十位部分表示可辨度，个位部分表示强度。输入的整数范围是[11,59]中的个位不为0的数字，这个范围外的数字不可能出现在测试数据中。

输出格式：

一句话，表示这个信号报告的意义。按照题目中的文字，先输出表示强度的文字，跟上逗号和空格，然后是表示可辨度的文字，跟上句号。注意可辨度的句子的第一个字母是小写的。注意这里的标点符号都是英文的。

输入样例：

33

输出样例：

Weak signals, readable with considerable difficulty.

#include

int main() {

int rs;

scanf("%d",&rs);

if(rs % 10 != 0) {

int r = rs / 10;

int s = rs % 10;

switch(s) {

case 1:

printf("Faint signals,barely perceptible,");

break;

case 2:

printf("Very weaksignals,");

break;

case 3:

printf("Weak signals,");

break;

case 4:

printf("Fair signals,");

break;

case 5:

printf("Fairly goodsignals,");

break;

case 6:

printf("Good signals,");

break;

case 7:

printf("Moderately strongsignals,");

break;

case 8:

printf("Strong signals,");

break;

case 9:

printf("Extremely strongsignals,");

break;

}

switch(r) {

case 1:

printf("unreadable.");

break;

case 2:

printf("barely readable,occasional words distinguishable.");

break;

case 3:

printf("readable withconsiderable difficulty.");

break;

case 4:

printf("readable withpractically no difficulty.");

break;

case 5:

printf("perfectly readable.");

break;

}

}

return 0;

}