Facing problem in compiling

this is my code i ran this code on visual studio code it is running perfectly fine, but it is not running on this. please have a look at my code

#include
#include
using namespace std;

int main(){

int initial,a ,b ,c ,m ,n;

cout<<“value”<<endl;
cin>>a;

for ( m = 1 ; m <= 3; m++)
{
for (n= 1; n <= 3; n++)
{
a= mm - nn;
b = 2mn;
c = mm + nn;

    if(a<=6 && b <= 6 && c <= 6 && a >= 1 && b >= 1 && c >= 1){
        
        cout<<b<<" "<<c<<endl;
    }
    }   
}
return 0;

}

hello @r_apaar

pls go to this link -> https://ide.codingblocks.com/

paste ur code and
press ctrl + s and then save

a link will be generated in ur search bar, share that link with me

sir please respond i have shared my code with you too

@r_apaar
a)
there is no need to using two nested loops.
b) u have assumed that answer will always fall in range [1…6] which wrong.

pls refer this->

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