import bisect

n,q = map(int,input().split())
s = input()
lrx = [[int(i)-1 for i in input().split()] for j in range(q)]

sli = [0]*(n)

for i in range(n):
    sli[i] = ord(s[i])
    
for i in range(q):
    l,r,x = lrx[i][0],lrx[i][1],lrx[i][2]
    tmp = []
    for j in range(r-l+1):
        tmp.append(sli[l+j])
    #tmp.sort()
    print(chr(tmp[x]))