UVa 446

#include<bits/stdc++.h>
using namespace std;

typedef unsigned long long int  ull;
typedef long long int      ll;
typedef vector<int>        vi;
typedef vector<ll>         vll;
typedef vector<vi>         vvi;
typedef pair<int,int >     pii;
typedef vector< pii >      vpii;
typedef set<int>           sti;

#define sc                 scanf
#define pf                 printf
#define sci(n)             scanf("%d",&n)
#define scii(n,m)          scanf("%d %d",&n,&m)
#define scl(n)             scanf("%lld",&n)
#define scd(n)             scanf("%lf",&n)
#define scs(s)             scanf("%s",s)
#define pfi(n)             printf("%d",n)
#define pfl(n)             printf("%lld",n)
#define pff(n)             cout<<n
#define line               printf("\n")
#define spc                printf(" ")
#define loop(i,x,y)        for(int i=int(x); i<=int(y); i++)
#define rloop(i,y,x)       for(int i=int(y); i>=int(x); i--)
#define cspf(i)            printf("Case %d: ", i)
#define pb                 push_back
#define mp                 make_pair
#define ff                 first
#define ss                 second
#define all(v)             v.begin(),v.end()
#define rall(v)            v.rbegin(),v.rend()
#define read()             freopen("input.txt", "r", stdin)
#define write()            freopen("output.txt", "w", stdout)
/// Constants
#define eps                1e-9
#define PI                 acos(-1.0)  // 3.1415926535897932
#define MAX                1000009*/

void fastIO()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}


int main()
{
    //read();
    //write();
    map<char,string>mp = {{'0',"0000"},{'1',"0001"},{'2',"0010"},{'3',"0011"},{'4',"0100"},{'5',"0101"},{'6',"0110"},{'7',"0111"},{'8',"1000"},{'9',"1001"},{'A',"1010"},{'B',"1011"},{'C',"1100"},{'D',"1101"},{'E',"1110"},{'F',"1111"}};
    //for(auto x : mp) cout<<x.second<<' ';
    int t;
    sci(t);
    while(t--){
        string b1="0",b2="0",s;
        char c;
        int t1=0,t2=0;
        cin>>s;
        loop(i,1,3-s.size()){
            b1+="0000";
        }
        loop(i,0,s.size()-1){
            b1+=mp[s[i]];
        }
        cout<<b1<<' ';
        for(int i=b1.size()-1,j=1;i>=0;i--,j*=2){
            t1+=((b1[i]-'0')*j);
        }
        cin>>c;
        cout<<c<<' ';
        cin>>s;
        loop(i,1,3-s.size()){
            b2+="0000";
        }
        loop(i,0,s.size()-1){
            b2+=mp[s[i]];
        }
        cout<<b2<<" = ";
        for(int i=b2.size()-1,j=1;i>=0;i--,j*=2){
            t2+=((b2[i]-'0')*j);
        }
        if(c=='+') pfi(t1+t2);
        else pfi(abs(t1-t2));
        line;
    }
    return 0;
}