#include <stdio.h>
#include <stdlib.h>

int main(){
    char numA[31], numB[31];
    int num2[30] = { 0 }, num3[30] = { 0 }, total[30] = { 0 }, i = 0, c = 0, count = 0, count1 = 0;

    scanf(" %s", numA);

    for(count = 0; numA[count] != '\0' ; count++);

    for(i = 0; i < 30; i++)
        num2[i] = (int)numA[i] - '0';

    scanf(" %s", numB);

    for(count1 = 0; numB[count1] != '\0' ; count1++);

    c = count - count1;

    for(i = 0; i < 30; i++)
        num3[c+i] = (int)numB[i] - '0';

    for(i = 29; i >= 0; --i)
        if((num2[i] + num3[i]) > 9){
            total[i] += num2[i] + num3[i] - 10;
            total[i-1] += 1;
        }
        else
            total[i] += num2[i] + num3[i];

    for(i = 0; i < 30; i++)
        printf("%d", total[i]);

return 0;
}