#include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define intmax INT_MAX #define lmax LONG_MAX #define uintmax UINT_MAX #define ulmax ULONG_MAX #define llmax LLONG_MAX #define ll long long #define rep(i,a,N) for((i)=(a);(i)<(N);(i)++) #define rrp(i,N,a) for((i)=(N)-1;(i)>=(a);(i)--) #define llfor ll i,j,k #define sc(a) cin>>a #define pr(a) cout<> #define charvec vector> #define sizeoof(a,b) (a,vector(b)) #define llpvec vector> /*繰り上げ除算*/ll cei(ll x,ll y){ll ans=x/y;if(x%y!=0)ans++;return ans;} /*最大公約数*/ll gcd(ll x,ll y){return y?gcd(y,x%y):x;} /*最小公倍数*/ll lcm(ll x,ll y){return x/gcd(x,y)*y;} /*n乗*/ll llpow(ll x,ll n){ll i,ans=1;rep(i,0,n)ans*=x;return ans;} /*階乗*/ll fact(ll x){ll i,ans=1;rep(i,0,x)ans*=(x-i);return ans;} /*nCr*/ll ncr(ll n,ll r){return fact(n)/fact(r)/fact(n-r);} /*nPr*/ll npr(ll n,ll r){return fact(n)/fact(n-r);} /*primejudge*/bool prime(ll a){if(a<=1)return false;ll i;for(i=2;i*i<=a;i++){if(a%i==0)return false;}return true;} ll ans=0;llfor;/////////////////////////////////////////////////////////// int main(){ int A,B; cin>>A>>B; cout<