#include<iostream>
using namespace std;
int main(){
	int x,f,z,first;
	cin>>x>>f>>z;
	if(x>f) 
		first=x;
	else{
		first=f;
		if(first<z)
			first=z;
	}
	cout<<first;	
}
//┭┮﹏┭┮