/* file: divisionby11.c */
/* author: Anastase Luca-George (email: l.anastase@student.rug.nl) */
/* date: 9/17/2024 */
/* version: 1.0 */
/* Description: This programs tells how and why a code is divisible by 11 */

#include <stdio.h>



int main(){

    int n = 0, cnt = 0;
    char chr;
    scanf("%c", &chr);

    // Because the number is between 1 and 10^1000 means that we cant read it as an it so we use a char to do the work for us
    while(chr != '\n')
    {
        if(cnt%2==0){
            printf("+%c", chr);
            n += chr - '0';
        }
        else{
            printf("-%c", chr);
            n -= chr - '0';
        }
        cnt++;
        scanf("%c", &chr);
    }

    printf("=%d\n", n);
    if(n < 0)
        n*=-1;

    while(n)
    {
        if(n < 11)
        {
            break;
        }
        int cnt = 0, z = n, s = 0, p = 1, c = n;

        // We do a loop to check that will give us a variable p that is gonna be 10^(number_of_digits(z) - 1)
        while(z){
            p = p * 10;
            z/=10;
        }
        p/=10;

        // Afterwards, we take it digit, do the sum and the substraction and we repeat this process until a number is smaller than 11
        while(p)
        {
            int cif = (c / p) % 10;
            if(cnt % 2 == 1){
                printf("-%d", cif % 10);
                s -= (cif % 10);
            }
            else{
                printf("+%d", cif % 10);
                s += (cif % 10);
            }
            cnt++;
            p/=10;
        }
        printf("=%d\n", s);
        if(s < 0)
            s*=-1;
        n = s;
    }

    if(n == 0){
        printf("YES\n");
    }
    else{
        printf("NO\n");
    }
    return 0;
}