#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 main(){ int x=1; while(1){ x++; if((x/8/8/8)*2==x/17/17){ if(x%8&&x/8%8==1&&x/8/8%8&&x%17==4&&x/17%17==15){ cout<<x<<endl; return 0; } } } return 0; }