#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int n1,n2; string s; int a[5005]; int main(){ cin>>s; n1=s[0]-'0',n2=s[2]-'0'; cout<<"max="<<max(n1,n2); return 0; }