#include <stdio.h>
#include<math.h>
int main(){
    int n,r,s;
    scanf("%d",&n);
    while(n>0){
        int temp=n;
        s=n%10;
        r+=pow(s,sizeof(n));
        n=n/10;
    }
    printf("%d",r)
        

    
    
    
    

    
    

    return 0;
}