کد:

#include <iostream>

using namespace std;

int main()
{
    int a,b,c;
    cout<<"enter three number :";
    cin>>a>>b>>c;
    if(a>b&&a>c)
        cout<<"\n"<<a<<" bigest number";
    else
        if(b>a&&b>c)
        cout<<"\n"<<b<<" bigest number";
    else
        cout<<"\n"<<c<<" bigest number";

    return 0;
}