#include using namespace std; typedef unsigned __int128 LLL; LLL read() { LLL x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return x * f; } void out(LLL x) { if (x < 0) putchar('-'), x = -x; if (x > 9) out(x / 10); putchar(x % 10 + '0'); } int main() { LLL a, b; a = read(), b = read(); out(a + b); return 0; }