#include <iostream>
#include <string>
#include <cstring>
#include <vector>
#include <cstdlib>

using namespace std;

int main(){
    char s1[500], s2[500];
    int ln1, ln2, maxln, n;
    char *t;
    
    cin >> s1;
    ln1 = strlen(s1);
    cin >> s2;
    ln2 = strlen(s2);

    if (ln1 > ln2){
        maxln = ln1;
    }
    else {
        maxln = ln2;
    }
    vector<int> one(maxln,0);
    vector<int> two(maxln,0);

    t = &s1[ln1];
    for (int i(0); i<ln1; i++, t--){
        one[i] = atoi(*t);
    }
    t = &s2[ln2];
    for (int i(0); i < ln2; i++, t--){
        two[i] = atoi(*t);
    }
    return 0;
}