Main.cc: In function ‘int main()’: Main.cc:5:27: error: expression list treated as compound expression in initializer [-fpermissive] int a,b,c(a>0,b>=0,c>0); ^ Main.cc:5:16: warning: left operand of comma operator has no effect [-Wunused-value] int a,b,c(a>0,b>=0,c>0); ~^~ Main.cc:5:20: warning: right operand of comma operator has no effect [-Wunused-value] int a,b,c(a>0,b>=0,c>0); ~^~~ Main.cc:6:10: error: ‘abc’ was not declared in this scope cin>>abc; ^~~ Main.cc:6:10: note: suggested alternative: ‘abs’ cin>>abc; ^~~ abs Main.cc:7:11: error: ‘cba’ was not declared in this scope cout<