include<bits/stdc++.h>

define int long long

using namespace std; int a1[5001],b1[5001],c[5001]; signed main(){

char a[5001],b[5001];
cin>>a>>b;
int len1=strlen(a);
int len2=strlen(b);
for(int i=1;i<=len1;i++){
	a1[i]=a[len1-i]-'0';
}
for(int i=1;i<=len2;i++){
	b1[i]=b[len2-i]-'0';
}
int len3=1;
int x=0;
while(len3<=len1||len3<=len2){
	c[len3]=a1[len3]+b1[len3]+x;
	x=c[len3]/10;
	c[len3]%=10;
	len3++;
}
c[len3]=x;
while(c[len3]==0&&len3>1){
	len3--;
}
for(int i=len3;i>=1;i--){
	cout<<c[i];
}
return 0;

}