Main.cc: In function 'int main()':
Main.cc:8:20: error: expected primary-expression before ';' token
for(int i=m;i<=;i++)
^
Main.cc:13:14: error: 'es' was not declared in this scope
es+= i;
^
Main.cc:17:14: error: 'os' was not declared in this scope
os += i;
^
Main.cc:21:12: error: 'es' was not declared in this scope
cout <