//p1
m,n = map(int, input().split())
s = 1
for i in range(m):
    r = input().split()
    for j in range(n):
        c = r[j]
        if c[len(c) - 1] == '6':
            s = s * int(c)
print(s)

//p2
m, n = map(int, input().split())
for i in range(m):
    r = list(map(int, input().split()))
    m = 0
    for j in range(n):
        if r[j] > 0:
            if m == 0:
                m = r[j]
            else:
                m = min(r[j], m)
    print(m)

//p3
m, n = map(int, input().split())
a = []
for i in range(m):
    a.append(list(map(int, input().split())))
s = 0
for j in range(n):
    for i in range(m):
        if a[i][j] != 7:
            break
    else:
        s = s + 1
print(s)

//p4
m, n = map(int, input().split())
a = 0
ai = 0
for i in range(n):
    q = list(map(int, input().split()))
    s = 0
    for j in range(m):
        s = s + q[j]
    if s > a:
        a = s
        ai = i
print(str(a)+" "+str(ai))