#include using namespace std; #define rep(i,n) for (int i=0;i<(long long)(n);i++) #define all(v) v.begin(),v.end() using ll=long long; using pll=pair; using tll=tuple; const ll INF=(1ll<<60); template void chmin(T &a,T b){ if(a>b){ a=b; } } template void chmax(T &a,T b){ if(a> a >> b; ll ans=1; rep(i,b) ans*=a; if(a==1&&b==1) assert(0); cout << ans << endl; }