Nested If Statement+Logic Gates- Using C++

//Question is:
/*if gender is male and grade is 70 and above,display "goodboy";

if gender is female and grade is 70 above, display "goodgirl";

but if grade is below 70 regardless of gender,display "badchild";  */

//Source Code:

#include<iostream>

using namespace std;

main()

{

int grade;

char gender;

cout<<"Gender Is:";

cin>>gender;

cout<<"Grade Is:";

cin>>grade;

if(gender =='M'||'m')

if(grade>=70)

cout<<"goodboy";

if(gender=='F'||'f')

if(grade>=70)

cout<<"\n goodgirl";

else

cout<<"\n badchild";

return 0;

}

Output: