input:

5 7
false and true or true
1 1 false
1 3 true
1 5 false
3 3 true
3 3 false
5 5 false
5 5 true

output:

NYYYNYY

input2:

13 4
false or true and false and false and true or true and false
1 5 false
3 11 true
3 11 false
13 13 true

outout:2:

YNYY