Run id: 130806

Main.cc: In function 'int main()':
Main.cc:7:19: warning: left operand of comma operator has no effect [-Wunused-value]
     for (int i=2;i<=n,i++){
                   ^
Main.cc:7:26: error: expected ';' before ')' token
     for (int i=2;i<=n,i++){
                          ^