zad2

f = open('input.txt','r')
a = []
for line in f.readlines():
    a.append(list(map(int,line.split())))

f.close()
print('Source matrix:')
for r in a:
    print(r)

n = len(a)
m = len(a[0])

print()
for c in range(m):
    for r in range(n//2):
        a[r][c],a[n-r-1][c] = a[n-r-1][c],a[r][c]


print('Result:')

for r in a:
    print(r)