#include #include #include using namespace std; int gcd(int x,int y){ while(y!=0){ int temp=x%y; x=y; y=temp; } return x; } int lcm(int x, int y){ return x/gcd(x,y)*y; } int main(){ int n; cin>>n; vector >a(n); for(int i=0;i>a[i].second; for(int i=0;i