#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
string s1;
cin >> s1;
string s2;
cin >> s2;
int num1=0,num2=0;
for(int i=0;i<s1.size();i++) {
if(s1[i]=='.') {
num1 = num1*10 + 0;
}
else {
num1 = num1*10 + (s1[i]-'0');
}
}
for(int i=0;i<s2.size();i++) {
if(s2[i]=='.') {
num2 = num2*10 + 0;
}
else {
num2 = num2*10 + (s2[i]-'0');
}
}
// cout << num1 << " " << num2;
if(num2>=num1) {
cout << s2;
}
else {
cout << s1;
}
}
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