#include <stdio.h>
int main() {
char x[1000] = {}, y[1000] = {};
int result[1000] = {};
int i,n,j,k,f,g,max,l;
scanf("%s %s", x, y);
for(j = strlen(y) - 1 ; j >= 0 ; j--)
for(i = strlen(x) -1 ; i >= 0 ; i--)
{
result[i] = x[i] + y[j] ;
j--;
}
for(i = strlen(x) - 1 ; i >= 0 ; i--)
{
if(result[i] > 57)
{
result[i] -= 48;
}
printf("%d " , result[i] - 48);
}
}