#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i ) #define rep(i,n) REP(i,0,n) using ll = long long; const int inf=1e9+7; const ll longinf=1LL<<60 ; const ll mod=1e9+7 ; int main(){ ll p,q,a; cin>>p>>q>>a; ll ok = 0, ng = 1e9+1; while(ng-ok>1){ ll mid = (ok+ng)/2; ll in = (100+p)*mid/100; ll out = (100+q)*mid/100+a; if(in