Сумма двух чисел

#include<iostream>
#include<fstream>
#include<algorithm>
#include<vector>
#include<cmath>
#define all(container) container.begin(), container.end()
#define fors(counter, start, finish) for (int counter = start; counter < finish; ++counter)
#define forb(counter, start, finish) for (int counter = start; counter >= finish; --counter)
#define vec(type) std::vector<type>
#define dvec(type) std::vector<std::vector<type>>
#define cout(val) std::cout << val << std::endl;

vec(int) num_a;
vec(int) num_b;
vec(int) temp_a;
vec(int) temp_b;
vec(bool) done_a;
vec(bool) done_b;
long long global_a, global_b, c, da = 0;
long long preob(vec(int)& s, int size) {
    long long temp = 0;
    fors(i, 0, s.size()) {
        temp += std::pow(10, s.size() - i - 1) * s[i];
    }
    temp *= std::pow(10, size - s.size());
    return temp;
}

bool check(vec(int)& x) {
    fors(j, 0, temp_b.size()) {
        fors(i, 0, num_b.size()) {
            if (num_b[i] == temp_b[j] && !done_b[i]) {
                done_b[i] = true;
                break;
            }
        }
    }
    bool f = true;
    fors(i, 0, done_b.size()) {
        if (!done_b[i] && num_b[i] != 0) {
            f = false;
        }
        done_b[i] = false;
    }
    return f;
}

vec(int) int_to_vec(int x) {
    vec(int) temp;
    while (x != 0) {
        temp.push_back(x % 10);
        x /= 10;
    }
    std::reverse(all(temp));
    return temp;
}

void perest(int a, int b) {
    if (da < num_a.size()) {
        fors(i, 0, num_a.size()) {
            if (!done_a[i]) {
                temp_a.push_back(num_a[i]);
                done_a[i] = true; da++;
                perest(a + 1, b);
                temp_a.resize(temp_a.size() - 1);
                done_a[i] = false; da--;
            }
        }
    }
    else {
        long long x, y;
        x = preob(temp_a, num_a.size()); y = c - x;
        temp_b = int_to_vec(y);
        /*std::cout << x << " + " << y << (x + y == c ? " = " : " != ") << c <<
            "                    vaiant #" << nom << std::endl;*/
        if (check(temp_b)) {
            if (x < global_a || y < global_b) {
                global_a = x; global_b = y;
            }
        }
    }
}

int main() {
    std::ifstream fin("input.txt");
    fin >> global_a >> global_b >> c;
    bool f = false;
    if (global_a > global_b) {
        std::swap(global_a, global_b);
        f = true;
    }
    num_a = int_to_vec(global_a);
    num_b = int_to_vec(global_b);
    done_a.resize(num_a.size());
    done_b.resize(num_b.size());
    global_a = 1000000001, global_b = 1000000001;
    perest(0, 0);
    if (global_a != 1000000001 && global_b != 1000000001) {
        if (f)
            std::swap(global_a, global_b);
        std::cout << "YES" << std::endl << global_a << " " << global_b << std::endl;
        return 0;
    }
    std::cout << "NO" << std::endl;
    return 0;
}