ll T,a[6],d,e;
mint D[501][20041],z;
{
	rd(T,a(3),d,e);
	a[3..5]=-a[0..];
	D[0][10020]=1;
	rep(i,T){
		rep(j,20,20021){
			rep(k,6){
				D[i+1][j+a[k]]+=D[i][j];
			}
		}
	}
	z+=D[T][10020+(d..e)];
	wt(z);
}