#include #define syosu(x) fixed< P; typedef pair pdd; typedef pair pll; typedef vector vi; typedef vector vvi; typedef vector vd; typedef vector vvd; typedef vector vl; typedef vector vvl; typedef vector vs; typedef vector

vp; typedef vector vvp; typedef vector vpll; typedef pair pip; typedef vector vip; const int inf=1<<30; const ll INF=1ll<<60; const double pi=acos(-1); const double eps=1e-8; const ull mod=1e9+7; const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1}; ll Pow(ll n,ll p,ll m=mod){ ll r=1; n%=m; for(;p>0;p>>=1){ if(p&1) r=(r*n)%m; n=(n*n)%m; } return r; } ll A,B,C; char c; int main(){ cin>>A>>c>>B>>c>>C; cout<