#include<stdio.h>#include<string.h>char s[100001];int a[100001],b[100001],c[100001];int main(){ long i,j,k,m,n; long alen,blen,clen; gets(s); alen=strlen(s); for(i=alen-1;i>=0;i--) a[alen-i]=s[i]-"0"; gets(s); blen=strlen(s); for(i=blen-1;i>=0;i--) b[blen-i]=s[i]-"0"; if(alen>blen) clen=alen; else clen=blen; for(i=1;i<=clen;i++) c[i]=a[i]+b[i]; for(i=1;i<=clen;i++) if(c[i]>9){ c[i+1]++; c[i]-=10; if(i==clen) clen++; } for(i=clen;i>=1;i--) printf("%d",c[i]); printf("\n"); return 0;}