Main.cc: In function 'int main()':
Main.cc:5:9: error: expected ';' before 'a'
cin a;
^
Main.cc:5:10: warning: statement has no effect [-Wunused-value]
cin a;
^
Main.cc:6:9: error: expected ';' before 'b'
cin b;
^
Main.cc:6:10: warning: statement has no effect [-Wunused-value]
cin b;
^
Main.cc:4:5: warning: unused variable 'a' [-Wunused-variable]
int a=1,b=7;
^