#include<bits/stdc++.h> using namespace std; string s1,s2; int a1[220],a2[220],c[220]; int main() { cin>>s1>>s2; int len1,len2,x=0; len1=s1.size(); len2=s2.size(); for(int i=len1-1;i>=0;i--) a1[len1-1-i]=s1[i]-'0'; for(int i=len2-1;i>=0;i--) a2[len2-1-i]=s2[i]-'0'; for(int i=0;i<=len1-1;i++) { c[i]=a1[i]+a2[i]+x; x=c[i]/10; c[i]=c[i]%10; } c[len1]=x; for(int i=len1;i>=0;i--) cout<<c[i]; return 0; }