#include<stdio.h>
#include<math.h>
int main(){
    int n,i=0,a,c;
    while(scanf("%d",&n)!=EOF){
    while(n%10==0){
        n/=10;
    }
    a=n;
    while(a>9){
        i++;
        a=a/10;
    }
    // int sum=0;
    for(int d=0;d<=i;d++){
    	if(d!=0){
    	c=n/(pow(10,d));//10^b
    	c=c%10;
        printf("%d",c);}
        else
        printf("%d",n%10);
    }
    printf("\n");
    i=0;
	}
}