#include<stdio.h>
int main()
{
int n;
scanf("%d", &n);
change(n);
return 0;
}
void change(unsigned int n)
{
unsigned int q;
q = n / 10;
if (q != 0)
{
change(q);
}
putchar(n % 10 + '0');
}
#include<stdio.h>
int main()
{
int n;
scanf("%d", &n);
change(n);
return 0;
}
void change(unsigned int n)
{
unsigned int q;
q = n / 10;
if (q != 0)
{
change(q);
}
putchar(n % 10 + '0');
}