/in/foo.cc: In function 'int main()':
/in/foo.cc:89:33: warning: unused variable 'val' [-Wunused-variable]
                             int val=i1*10000+i2*1000+i3*100+i4*10+i5;
                                 ^~~
/in/foo.cc:90:33: warning: unused variable 'fval' [-Wunused-variable]
                             int fval=fak[i1]+fak[i2]+fak[i3]+fak[i4]+fak[i5];
                                 ^~~~