#include<stdio.h>
int main(){
int i;
char a[15],b[15];
while(scanf("%s%s",a,b)!=EOF){
long long n=0,m=0;
for(i=0;a[i]!=0;i++){
if(a[i]>='0'&&a[i]<='9'){
n=n*10+(a[i]-'0');
}
else{
continue;
}
}
if(a[0]=='-'){
n=-n;
}
for(i=0;b[i]!=0;i++){
if(b[i]>='0'&&b[i]<='9'){
m=m*10+(b[i]-'0');
}
else{
continue;
}
}
if(b[0]=='-'){
m=-m;
}
printf("%lld\n",n+m);
}
return 0;
}
/**************************************************************
Problem: 1003
User: Doom_Judgement
Language: C++
Result: Accepted
Time:0 ms
Memory:1020 kb
****************************************************************/