#include <stdio.h>
#include <string.h>
void reverse_string(char *str) {
// Your logic here
char *myTail = str + strlen(str) - 1;
char *myHead = str;
char myTemp;
while (myHead < myTail){
myTemp = *myHead;
*myHead = *myTail;
*myTail = myTemp;
myHead++;
myTail--;
}
}
int main() {
char str[101];
fgets(str, sizeof(str), stdin);
// Remove newline
int i = 0;
while (str[i] != '\0') {
if (str[i] == '\n') {
str[i] = '\0';
break;
}
i++;
}
reverse_string(str);
printf("%s", str);
return 0;
}