#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n,l,r,maxn=-1;
    cin>>n>>l>>r;
    for(int i=l;i<=r;i++)
	{
        maxn=max(maxn,i%n);
        if(maxn>=n-1)
		{
			break;
		 }
    }
 } 
/**************************************************************
	Problem: 2401
	User: yangwanning
	Language: C++
	Result: Wrong Answer
****************************************************************/