ModAdd

using namespace std;
#include <bits/stdc++.h>

#define sz(x) ((int)x.size())
#define sqr(x) ((x)*(x))
#define pb push_back
#define clr clear()
#define inf (1<<30)
#define eps 1e-9
typedef long long i64;
typedef unsigned long long ui64;
#include <math.h>



int main() {
    ios_base::sync_with_stdio(0);

    int a, b;
    cin >> a >> b;
    int nb_digit_a = floor((float)(log10(a))) + 1;
    int nb_digit_b = floor((float)(log10(b))) + 1;

    vector<int> va;
    for(int i = 0; i < nb_digit_a; i++){
        va.push_back(int(a / pow(10, i)) % 10);
    }

    vector<int> vb;
    for(int i = 0; i < nb_digit_b; i++){
        vb.push_back(int(b / pow(10, i)) % 10);
    }

    int max_digit = max(nb_digit_a, nb_digit_b);

    int res = 0;
    for(int i = 0; i < max_digit; i++){
        if(i < nb_digit_a && i < nb_digit_b){
            res += (va[i] + vb[i]) % 10 * pow(10, i);
        }else if(i > nb_digit_b && i < nb_digit_a){
            res += (va[i]) % 10 * pow(10, i);
        }else {
            res += (vb[i]) % 10 * pow(10, i);
        }
    }

    cout << res << endl;

    return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER