# include<iostream> # include<cstdio> using namespace std; int main(){ int p,e,l,d,a=0; cin>>p>>e>>l>>d; for(int i=1;i<=942;i++){ for(int j=1;j<=759;j++){ for(int k=1;k<=644;k++){ if((p+i*23)==(e+j*28)&&(p+i*23)==(l+k*33)) printf("the next triple peak occurs in %d days.",(l+k*33)-d); } } } return 0; }