include

include

using namespace std; int main(void){

//freopen("1111.in","r",stdin);
//freopen("1111.out","w",stdout);
long long a,ans=-100000000000000000000;
for(int i=0;i<3;i++){
	scanf("%lld",&a);
	if(a>ans) ans=a;
}
printf("%lld",ans);
return 0;

}