#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<ctime> #include<cstdlib> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int N,a,b; cin>>N; for(int i=1;i<=N;N++){ while(cin>>a>>b){ cout<<a+b<<endl; } } return 0; }