/*
s/y + (s-z)/x = s/x + t + z /y

s/30 + (s-480)/20 = s /20 + 30 + 480/30

s/30 +s/20- 24 =s /20 + 30 + 16

s/30 = 24 + 30 + 16
s=30*(70)=2100
*/
#include <bits/stdc++.h>

using namespace std;
int main() {
    return 0;
}