#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 p,e,i,d; cin>>p>>e>>i>>d; for(p;p<=365-p;p+=23){ for(e;e<=365-e;e+=28){ for(i;i<=365-i;i+=33){ if(p==e&&e==i){ printf("the next triple peak occurs in %d days.",p-d); } } } } return 0; }