我是新手，勿喷。

#include<iostream>
using namespace std;
int main(){
int a;
cin>>a;
if(a1)
{
cout<<"Monday";
}
if(a2)
{
cout<<"Tuesday";
}
if(a3)
{
cout<<"Wednesday";
}
if(a4)
{
cout<<"Thursday";
}
if(a5)
{
cout<<"Friday";
}
if(a6)
{
cout<<"Saturday";
}
if(a==7)
{
cout<<"Sunday";
}
return 0;
}