string

#include <stdio.h>
char arr[114][1024] = {0};
void str_rev(char *s){
    int hi = 0,low = 0;
    char temp;
    while(s[hi] != '\0')
        hi++;
    for(hi--;hi > low;low++,hi--)   {
        temp = s[low];
        s[low] = s[hi];
        s[hi] = temp;
    }
}
int main(int argc,char **argv){
    int i = 0,m;
    while(gets(arr[i])){
        str_rev(arr[i]);
        i++;
    }
    while(i--)  {
        puts(arr[i]);
    }
    return 0;
}