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#include <bits/stdc++.h>
using namespace std;
const int N = 100010;
int a[N], b[N];
int al, bl;
void add(int a[], int &al, int b[], int &bl) {
int t = 0;
al = max(al, bl);
for (int i = 0; i < al; i++) {
t += a[i] + b[i];
a[i] = t % 10;
t /= 10;
}
if (t) a[al] = 1;
while (al > 0 && a[al] == 0) al--;
}
int main() {
string x, y;
cin >> x >> y;
for (int i = x.size() - 1; i >= 0; i--) a[al++] = x[i] - '0';
for (int i = y.size() - 1; i >= 0; i--) b[bl++] = y[i] - '0';
add(a, al, b, bl);
for (int i = al; i >= 0; i--) printf("%d", a[i]);
return 0;
}