# coding: utf-8
# Here your code !

# coding: utf-8
# Here your code !

def func():
    try:
        line = input()
    except:
        print("input error")
        return -1

    (buildings,floors,rooms)=(4,3,10)

    tenants=[]
    for i in range(buildings):
        tenants.append([])
        for j in range(floors):
            tenants[i].append([])
            for k in range(rooms):
                tenants[i][j].append(0)

    print(tenants)

    while(True):
        try:
            line=input().rstrip()
            in_out_info=line.split(" ")

        except EOFError:
            break
        except:
            print("input error")
            return -1

func()