WAP C++ to convert from degree Fahrenheit to celsius

#include <iostream>

using namespace std;

int main()
{
    int c,F;
    cout<<"enter the value of Fahrenheit";
    cin>>F;
    c=(F-31)*5/9;
    cout<<c<<"degree celsius";
    return 0;
}

Output:-

enter the value of Fahrenheit 35.25

3degree celsius