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numrev.java
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/*class numrev{
static int nodigits(int n){
int c=0;
while(n>0){
c++;
n/=10;
}
return c;
}
static void cal(int num){
int dig=nodigits(num);
int powten=(int)Math.pow(10,dig-1);
for(int i=0;i<dig-1;i++){
int firstdigit=num/powten;
int left=((num*10)+firstdigit)-(firstdigit*powten*10);
System.out.println(left);
num=left;
}
}
public static void main(String[] args){
int num=1234;
cal(num);
}
}*/
import java.util.*;
public class numrev {
/*public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
for(int i=1; i<=n; i++)
{
for (int j = i; j < i + n; j++) {
int k = j % n;
if (k==0) {
k = n;
}
System.out.print(k);
}
System.out.println("");
}
}*/
public static void main(String args[]){
Scanner sc=new Scanner(System.in);
int number=sc.nextInt();
for( ;number != 0; number=number/10)
{
int remainder = number % 10;
reverse = reverse * 10 + remainder;
}
System.out.println(reverse);
}
}
}