#include<bits/stdc++.h>
using namespace std;
int main(){
    float a,b,c,maxn;
    cin>>a>>b>>c; 
    if (a>b&&a>c) maxn=a;
    else  if (b>a&&b>c) maxn=b;
    else maxn=c;
    cout<<maxn<<endl;
}
/**************************************************************
	Problem: 1039
	User: wengzihang
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/