include <bits/stdc++.h>

using namespace std; string s,st,s1,s2,s3=""; int so,nho=0,i,d,d1,d2; int main() { cin>>s>>st; d=s.length(); d1=st.length(); if(d<d1){d2=d1-d; for(i=1;i<=d2;i++)s="0"+s;} else{d2=d-d1; for(i=1;i<=d2;i++)st="0"+st;} for(i=s.length()-1;i>=0;i--) {s1=s[i]; s2=st[i]; so=stoi(s1)+stoi(s2)+nho; nho=so/10; so=so%10; s3=to_string(so)+s3;} if(nho==1)s3="1"+s3; cout<<s3; return 0; }</p>