#include #include<string.h> #include<stdio.h> #include const int N=1e5+10; const int INF=0x3f3f3f3f; using namespace std;

int a[N],b[N];

int main(){ string x,y; cin>>x>>y; int len1=x.size(); int len2=y.size();

for(int i=0;i<len1;i++)
	a[i]=x[len1-1-i]-'0';
for(int i=0;i<len2;i++)
	b[i]=y[len2-1-i]-'0';

int len=max(len1,len2);
for(int i=0;i<len;i++){
	a[i]+=b[i];
	if(a[i]>9)
	{
		a[i+1]++;
		a[i]%=10;
	}
}
if(a[len]!=0)
	len++;
	
for(int i=len-1;i>=0;i--)
	cout<<a[i];
return 0;

}