#include<bits/stdc++.h> using namespace std; vector<int> add(vector<int> &A,vector<int> &B){ vector<int> C; int t; for(int i=0;i<A.size()||i<B.size()||t;i++){ if(i<A.size()) t+=A[i]; if(i<B.size()) t+=B[i]; C.push_back(t%10); t/=10; } while(C.back()==0&&C.size()>1) C.pop_back(); } int main(){ string a,b; vector<int> A,B,C; cin>>a>>b; for(int i=a.size()-1;i>=0;i--) A.push_back(a[i]-'0'); for(int i=b.size()-1;i>=0;i--) B.push_back(b[i]-'0'); C=add(A,B); for(int i=0;i<C.size();i++) cout<<C[i]; return 0; }