#include<iostream> #include<string> using namespace std; string s1,s2; int a[250],b[250],c[500]; int i,j,len; int main(){ cin>>s1>>s2; for(i=0;i<s1.size();i++) a[i]=s1[s1.size()-i-1]-'0'; for(i=0;i<s2.size();i++) b[i]=s2[s2.size()-i-1]-'0'; len=s1.size(); if(s2.size()>s1.size()) len=s2.size(); for(i=0;i<len;i++) c[i]=a[i]+b[i]; for(i=0;i<len;i++){ c[i+1]=c[i+1]+c[i]/10; c[i]=c[i]%10; } if(c[len]!=0) len++; for(i=len-1;i>=0;i--) cout<<c[i]; return 0; }