View Compilation Error

0_0_16243157_26366.cpp:10:10: error: variable or field 'upd' declared void
 void upd(ll &a,ll b){a=(a%F+b%F)%F;}
          ^
0_0_16243157_26366.cpp:10:10: error: 'll' was not declared in this scope
0_0_16243157_26366.cpp:10:14: error: 'a' was not declared in this scope
 void upd(ll &a,ll b){a=(a%F+b%F)%F;}
              ^
0_0_16243157_26366.cpp:10:16: error: 'll' was not declared in this scope
 void upd(ll &a,ll b){a=(a%F+b%F)%F;}
                ^
0_0_16243157_26366.cpp: In function 'int main()':
0_0_16243157_26366.cpp:29:11: error: 'cin' was not declared in this scope
     int T;cin>>T;
           ^