number = 1
rows = int(input("How many rows? "))
columns = int(input("How many columns? "))
print()

for rows in range (1,rows+1):
    line = ""
    for columns in range (1, columns+1):
        line = line + str(number) + " "
        number = number + 1
    print(line)

print()
print(rows * columns, "cells generated")