ACM题,第一次做英文的,就遇到困难.help me please~

ACM题,第一次做英文的,就遇到困难.help me please~
This is the first problem for test.Since all we know the ASCII code,your job is simple:Input numbers and output corresponding messages.
输入
The input will contain a list of positive integers separated by whitespaces(spaces,newlines,TABs).Please process to the end of file (EOF).The integers will be no less than 32.
输出
Output the corresponding message.Note there is NOT a newline character in the end of output.
样例输入
72 101 108 108 111 44
32 119 111 114 108 100 33
样例输出
Hello,world!