Main.cc: In function 'int main()':
Main.cc:9:5: error: expected ';' before 'b'
b=5
^
Main.cc:4:13: warning: unused variable 'c' [-Wunused-variable]
int a,b,c;
^
Main.cc:5:15: warning: unused variable 'd' [-Wunused-variable]
long long d;
^