#include "bits/stdc++.h"
#define REP(i,n,N) for(int i=(n); i<(N); i++)
#define RREP(i,n,N) for(int i=(N-1); i>=n; i--)
#define CK(n,a,b) ((a)<=(n)&&(n)<(b))
#define ALL(v) (v).begin(),(v).end()
#define p(s) cout<<(s)<<endl
#define p2(a,b) cout<<(a)<<" "<<(b)<<endl
#define v2(T) vector<vector<T>>
typedef long long ll;
using namespace std;
const int inf=1e9+7;

int T,A,B;
int main() {
    cin>>T>>A>>B;
    if(T<max(A,B)){
        p("NO");
        return 0;
    }
    if(A==0&&B==0){
        if(T==1) p("NO");
    }
    p("YES");
    int mn=max(A,B);
    if((T-mn)%2){
        if(A==0&&B>0){
            cout<<"^>"<<endl;
            cout<<"v"<<endl;
            B--;
        }else if(B==0&&A>0){
            cout<<"^>"<<endl;
            cout<<"<"<<endl;
            A--;
        }else{
            cout<<"^"<<endl;
            cout<<">"<<endl;
            A--;
            B--;
        }
        T-=2;
        if(A==-1&&B==-1){
            cout<<"v<"<<endl;
            T--;
        }
    }
    mn=min(A,B);
    REP(i, 0, mn){
        cout<<"^>"<<endl;

    }
    A-=mn;
    B-=mn;
    T-=mn;
    REP(i, 0, A){
        cout<<"^"<<endl;
    }REP(i, 0, B){
        cout<<">"<<endl;
    }
    T-=A;
    T-=B;

    REP(i,0,T/2){
        cout<<"^"<<endl;
        cout<<"v"<<endl;
    }
    return 0;
}