#include <stdio.h>
#include <math.h>

int main(){
    char a[10000];
    char b[10000];
    scanf("%s %s", &a, &b);
    char sum[10000];
    int lengthA = 0;
    int lengthB = 0;

    int i = 0;
    while(a[i]){
        i++;
    } lengthA = i;

    i = 0;
    while(b[i]){
        i++;
    } lengthB = i;
    char temp[10000];

    int aplusb;
    int carry = 0;

    int max = lengthA;
    int difference = abs(lengthA - lengthB);
    //poravnava
    if(lengthA>lengthB){
        for(i=0; i<lengthA; i++){
            temp[i+difference]=b[i];
        }
        for(i=0; i<=max; i++){
            aplusb = lengthA[max-i]+temp[max-i];
            if(carry == 1) aplusb++;
            if(aplusb>9){
                carry = 1;
                aplusb%=10;
            }
            sum[i]=aplusb;
        }
    }

    for(i=0; i<=max; i++){
        printf("%c", sum[i]);
    }

    /*
    if(lengthB>lengthA){
        max = lengthB;
        for(i=0; i<lengthB; i++){
            temp[i+difference]=a[i];
        }
    }*/

    return 0;
}