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#include<bits/stdc++.h>
using namespace std;
const int N=520;
int a[N],i1,b[N],i2,c[N];
int main(){
string s1,s2;
cin>>s1>>s2;
int len1=s1.size();
int len2=s2.size();
for(int i=len1-1;i>=0;i--){
a[i1++]=s1[i]-'0';
}
for(int i=len2-1;i>=0;i--){
b[i2++]=s2[i]-'0';
}
int len=max(len1,len2);
for(int i=0;i<len;i++){
c[i]+=a[i]+b[i];
c[i+1]=c[i]/10;
c[i]=c[i]%10;
}
if(c[len]!=0) cout<<c[len];
for(int i=len-1;i>=0;i--){
cout<<c[i];
}
}