#include<iostream> #include<cstring> using namespace std; int main() { int i=0,n,a,b,c,a1=0,a2=0,a3=0; cin>>a>>b>>c>>n; for(i=0;i<=21252;i++) { if((i-a)%23==0) { a1=1; } else { a1=0; } if((i-b)%28==0) { a2=1; } else { a2=0; } if((i-c)%33==0) { a3=1; } else { a3=0; } if(a1==1&&a2==1&&a3==1) { break; } } cout<<"the next triple peak occurs in "<<i-n<<" days."<<endl; return 0; }