#include<stdio.h>
#include<string.h>
int main()
{
char a[1001]={}, b[1001]={}, str[1001]={}, c[1001]={},d[1001]={};
int i, j, x, l1,l2,temp1,temp2,temp=0,len;
scanf("%s %s", c, d);
l1 = strlen(c);
l2 = strlen(d);
for (i=0,j=(l1 > l2 ? l1 : l2)-1;i<=(l1 > l2 ? l1 : l2)-1;i++,j--)
{
a[i] = c[j];
b[i] = d[j];
}
for (i=0;i<=(l1 > l2 ? l1 : l2)-1;i++)
{
if (a[i]==0)
{
a[i] = 48;
}
if (b[i]==0)
{
b[i]=48;
}
temp1 = a[i]-48;
temp2 = b[i]-48;
str[i] = (temp1+temp2+temp)%10+48;
temp = (temp1+temp2)/10;
}
printf("%s", str);
return 0;
}