Opti( My)zation ♣☻♣

​long long int sum=0,t,v,a,b,c;
    cin>>t;
    while(t--)
      {
        sum=0;
        cin>>a>>b>>c;
        sum=(c%a)+b;
        if(sum>a)
            sum=sum%a;
        cout<<sum<<endl;
      }​