POJ 1298

很水的一题，我都不好意思贴上来了 - -！

#include
#include
int main()
{
static char a[250],b[250];
while(gets(a)){
if(!strcmp(a,"START"))continue;
if(!strcmp(a,"END")){
printf("%s\n",b);
memset(b,'\0',250 * sizeof(char));
memset(a,'\0',250 * sizeof(char));
continue;
}
if(!strcmp(a,"ENDOFINPUT"))break;
for(int i = 0;i < strlen(a);i ++){
if(a[i] >= 'A' && a[i] <= 'E')b[i] = a[i] + 21;
else if(a[i] >='F' && a[i] <= 'Z')b[i] = a[i] - 5;
else b[i] = a[i];
}
}
return 0;
}