#55547: c解答
xang2289@gmail.com
(14114)
#include <stdio.h>
#include <string.h>
int main(void)
{
int i=0;
char word[1000];
fgets(word,1000,stdin);
for (i=0;i<=strlen(word);i++){
if (isspace(word[i])){
break;
}
word[i]=word[i]-7;
printf("%c",word[i]);
}
}