Main.cc: In function 'int main()':
Main.cc:8:15: error: redeclaration of 'int a'
int a,b,c,a;
^
Main.cc:8:9: note: 'int a' previously declared here
int a,b,c,a;
^
Main.cc:9:10: error: 'x' was not declared in this scope
cin>>x>>y>>z;
^
Main.cc:9:13: error: 'y' was not declared in this scope
cin>>x>>y>>z;
^
Main.cc:9:16: error: 'z' was not declared in this scope
cin>>x>>y>>z;
^