高精度~

#include <bits/stdc++.h>
using namespace std;
int x, lena, lenb, lenc;
char a[10005], b[10005];
int a1[10005], b1[10005], c[100005];
int main() {
	cin >> a >> b;
	lena = strlen(a);
	lenb = strlen(b);
	for(int i = 1; i <= lena; i++) {
		a1[i] = a[lena - i] - '0';
	}
	for(int i = 1; i <= lenb; i++) {
		b1[i] = b[lenb - i] - '0';
	}
	lenc = 1;
	while(lenc <= lena || lenc <= lenb) {
		c[lenc] = a1[lenc] + b1[lenc] + x;
		x = c[lenc] / 10;
		c[lenc] %= 10;
		lenc++;
	}
	c[lenc] = x;
	while(c[lenc] == 0 && lenc > 1) lenc--;
	for(int i = lenc; i >= 1; i--) cout << c[i];
	cout << endl;
	return 0;
}