#define MD 998244353
ll@n,@a[n];
Mint d[5][34][2][10];
d[0][0][0][0]=1;
rep(i,n){
	string@s;
	if(s=="X"){
		rrep(x,5-a[i]){
			rrep(y,34){
				rrep(w,9){
					d[x+a[i]][y][1][w+1]+=d[x][y][0][w];
				}
			}
		}
	}else if(s[s.size()-1]=='X'){
	}else{
		ll b=atoi(s.c_str());
		rrep(x,5-a[i]){
			rrep(y,34-b){
				rrep(z,2){
					rrep(w,9){
						d[x+a[i]][y+b][z][w+1]+=d[x][y][z][w];
					}
				}
			}
		}
	}
}
wt(d[4][33][1][9]);