C++ :

#include<bits/stdc++.h>
using namespace std;

int main(){
	int a,b;
	cin>>a>>b;
	if(a<b) cout<<b;
	else cout<<a;
}

Python :

# coding=utf-8
x=int(input())
y=int(input())
if x>y :
    print(x)
else:
    print(y)