#include <stdio.h>
int stack[1000]={};
int top=-1;
int pop()
{
return stack[top--];
}
void push(int str)
{
stack[++top]=str;
}
int main()
{
char str[1000]={},s[1000]={};
int i,sum=0,a,b,c=0,j,o;
scanf("%s %s",str,s);
i=strlen(str)-1;
j=strlen(s)-1;
for( ; i>=0 ; i--)
{
int x = str[i]-'0';
int y = s[j]-'0';
sum = x+y+c;
push(sum%10);
c = sum/10;
}
while(top!=-1)
{
printf("%d",pop());
}
}