mas = [[34,11,23,19],[18,37,51],[77,20,35,55]]
mas1 = []
for i in range(len(mas)):
a = min(mas[i])
mas1.append(a)
for i in range(len(mas1)):
print(mas1[i])
mas = [[34,11,23,19],[18,37,51],[77,20,35,55]]
mas1 = []
for i in range(len(mas)):
a = min(mas[i])
mas1.append(a)
for i in range(len(mas1)):
print(mas1[i])