#define _USE_MATH_DEFINES

#include <iostream>
#include <iomanip>

#include <algorithm>
#include <cmath>

#include <string>
#include <list>
#include <queue>
#include <vector>
#include <complex>
#include <set>

/////////
#define REP(i, x, n) for(int i = x; i < n; i++)
#define rep(i,n) REP(i,0,n)
#define P(p) cout<<(p)<<endl;
/////////
typedef long long LL;
typedef long double LD;
/////////
using namespace::std;
/////////

int main(void){
    std::cin.tie(0); 
    std::ios::sync_with_stdio(false);
    std::cout << std::fixed;//
    //cout << setprecision(6);//
    
    int T,A,B;
    cin>>T>>A>>B;
    //T回連続移動で(A,B)へ
    int min;
    if(A>B){
        min = A;
    }else {
        min = B;
    }
    
    if(T < min){
        P("NO");
        return 0;
    }
    else if( A==0 && B==0){
		if(T==1){P("NO");}
		else if(T%2==0){
			P("YES");
			rep(i,T/2)
			cout<<"<\n>\n";
		}
		else{
			P("YES");
			cout<<">\n^\n<v\n";
			rep(i,(T-3)/2)
				cout<<"<\n>\n";
		}
        return 0;
    }
    P("YES");
    if( (T -min)%2 == 0){
        //if(T==min)
        {
            if(A==B){
                rep(i,min){cout << "^>\n";}//右上
                rep(i,(T-min)/2){
                    cout<<"<\n>\n";
                }
            }else if(A>B){
                rep(i,B){cout<<"^>\n";}
                rep(i,A-B){cout<<"^\n";}
                rep(i,(T-min)/2){
                    cout<<"<\n>\n";
                }
            }else{//A<B
                rep(i,A){cout<<"^>\n";}
                rep(i,B-A){cout<<">\n";}
                rep(i,(T-min)/2){
                    cout<<"<\n>\n";
                }
            }
        }
    }else{//(T -min)%2 == 1)
        {
            if(A==B){
                rep(i,min-1){cout << "^>\n";}
                cout<<"^\n>\n";
                rep(i,(T-min)/2){
                    cout<<"<\n>\n";
                }
            }else if(A>B){
                rep(i,B){cout<<"^>\n";}
                rep(i,A-B-1){cout<<"^\n";}
                cout<<"<\n^>\n";
                rep(i,(T-min)/2){
                    cout<<"<\n>\n";
                }
            }else{//A<B
                rep(i,A){cout<<"^>\n";}
                rep(i,B-A-1){cout<<">\n";}
                cout<<"^\nv>\n";
                rep(i,(T-min)/2){
                    cout<<"<\n>\n";
                }
            }
        }
    }
    
    return 0;
}