#include <bits/stdc++.h>
using namespace std;
int k, l, p, mx, ax, bx, suma[5007], c[5007];
int main() {
ios_base::sync_with_stdio(false); cin.tie();
string a, b; cin >> a >> b;
k = a.size();
l = b.size();
mx = max(k, l);
if (l > k) {
for (int i = l-1; i >= 0; --i) {
c[i+l-k] = a[i];
if (i < (l - k)) c[i] = 48;
}
}
else if (k > l) {
for (int i = k-1; i >= 0; --i) {
c[i+k-l] = b[i];
if (i < (k - l)) c[i] = 48;
}
}
for (int i = mx-1; i >= 0; --i) {
if (l > k) {
ax = c[i] - 48;
bx = b[i] - 48;
}
else if (k > l) {
ax = a[i] - 48;
bx = c[i] - 48;
}
else {
ax = a[i] - 48;
bx = b[i] - 48;
}
if ((ax + bx + p) < 10) {
suma[i] = ax + bx + p;
p = 0;
}
else {
suma[i] = ((ax + bx + p)%10);
p = (ax + bx + p)/10;
}
}
if (p) cout << p;
for (int i = 0; i <= mx-1; i++) cout << suma[i];
cout << "\n";
}